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2220223141 = 9677229433
BaseRepresentation
bin1000010001010101…
…1110101010100101
312201201202000120201
42010111132222211
514021334120031
61004151030501
7106006404523
oct20425365245
95651660521
102220223141
11a3a292564
1251b66b431
13294c92506
14170c23313
15cedb3d61
hex8455eaa5

2220223141 has 4 divisors (see below), whose sum is σ = 2220462252. Its totient is φ = 2219984032.

The previous prime is 2220223133. The next prime is 2220223183. The reversal of 2220223141 is 1413220222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 872966116 + 1347257025 = 29546^2 + 36705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220223141 - 23 = 2220223133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220223121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105040 + ... + 124393.

It is an arithmetic number, because the mean of its divisors is an integer number (555115563).

Almost surely, 22220223141 is an apocalyptic number.

It is an amenable number.

2220223141 is a deficient number, since it is larger than the sum of its proper divisors (239111).

2220223141 is an equidigital number, since it uses as much as digits as its factorization.

2220223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239110.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2220223141 is about 47119.2438500450. The cubic root of 2220223141 is about 1304.5644560733.

Adding to 2220223141 its reverse (1413220222), we get a palindrome (3633443363).

The spelling of 2220223141 in words is "two billion, two hundred twenty million, two hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 9677 229433 2220223141