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2230333220 = 225111516661
BaseRepresentation
bin1000010011110000…
…0010111100100100
312202102202200000002
42010330002330210
514031431130340
61005151440432
7106161343133
oct20474027444
95672680002
102230333220
11a44a683a5
12522b26118
132970c21cb
141722d591a
15d0c0e715
hex84f02f24

2230333220 has 12 divisors (see below), whose sum is σ = 4683699804. Its totient is φ = 892133280.

The previous prime is 2230333201. The next prime is 2230333267. The reversal of 2230333220 is 223330322.

It can be written as a sum of positive squares in 2 ways, for example, as 652495936 + 1577837284 = 25544^2 + 39722^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 111516661 = 2230333220 / (2 + 2 + 3 + 0 + 3 + 3 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2230333192 and 2230333201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55758311 + ... + 55758350.

It is an arithmetic number, because the mean of its divisors is an integer number (390308317).

Almost surely, 22230333220 is an apocalyptic number.

2230333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230333220 is an abundant number, since it is smaller than the sum of its proper divisors (2453366584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2230333220 is a wasteful number, since it uses less digits than its factorization.

2230333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111516670 (or 111516668 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 2230333220 is about 47226.4038436127. The cubic root of 2230333220 is about 1306.5416267907.

Adding to 2230333220 its reverse (223330322), we get a palindrome (2453663542).

The spelling of 2230333220 in words is "two billion, two hundred thirty million, three hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 111516661 223033322 446066644 557583305 1115166610 2230333220