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2230022021 = 41137397013
BaseRepresentation
bin1000010011101011…
…0110111110000101
312202102011212010012
42010322312332011
514031341201041
61005141040005
7106155605633
oct20472667605
95672155105
102230022021
11a44875607
125229b6005
13297013676
14172254353
15d0b9c3eb
hex84eb6f85

2230022021 has 8 divisors (see below), whose sum is σ = 2301093144. Its totient is φ = 2159745280.

The previous prime is 2230022009. The next prime is 2230022027. The reversal of 2230022021 is 1202200322.

It can be written as a sum of positive squares in 4 ways, for example, as 5013121 + 2225008900 = 2239^2 + 47170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2230022021 - 210 = 2230020997 is a prime.

It is a super-3 number, since 3×22300220213 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230021987 and 2230022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192890 + ... + 204123.

It is an arithmetic number, because the mean of its divisors is an integer number (287636643).

Almost surely, 22230022021 is an apocalyptic number.

It is an amenable number.

2230022021 is a deficient number, since it is larger than the sum of its proper divisors (71071123).

2230022021 is a wasteful number, since it uses less digits than its factorization.

2230022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397191.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2230022021 is about 47223.1089721971. The cubic root of 2230022021 is about 1306.4808565948.

Adding to 2230022021 its reverse (1202200322), we get a palindrome (3432222343).

The spelling of 2230022021 in words is "two billion, two hundred thirty million, twenty-two thousand, twenty-one".

Divisors: 1 41 137 5617 397013 16277533 54390781 2230022021