22037156231 has 8 divisors (see below), whose sum is σ = 22868982720. Its totient is φ = 21210124768.

The previous prime is 22037156227. The next prime is 22037156243. The reversal of 22037156231 is 13265173022.

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 22037156231 - 2² = 22037156227 is a prime.

It is a super-2 number, since 2×22037156231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22037156291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1189391 + ... + 1207776.

It is an arithmetic number, because the mean of its divisors is an integer number (2858622840).

Almost surely, 2^22037156231 is an apocalyptic number.

22037156231 is a deficient number, since it is larger than the sum of its proper divisors (831826489).

22037156231 is a wasteful number, since it uses less digits than its factorization.

22037156231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397513.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 22037156231 in words is "twenty-two billion, thirty-seven million, one hundred fifty-six thousand, two hundred thirty-one".