22042002231 has 32 divisors (see below), whose sum is σ = 32778648000. Its totient is φ = 14639063040.

The previous prime is 22042002173. The next prime is 22042002233. The reversal of 22042002231 is 13220024022.

22042002231 is a `hidden beast` number, since 2 + 20 + 420 + 0 + 223 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22042002231 is a prime.

It is a super-2 number, since 2×22042002231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042002233) 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 31 ways as a sum of consecutive naturals, for example, 11843241 + ... + 11845101.

It is an arithmetic number, because the mean of its divisors is an integer number (1024332750).

Almost surely, 2^22042002231 is an apocalyptic number.

22042002231 is a deficient number, since it is larger than the sum of its proper divisors (10736645769).

22042002231 is a wasteful number, since it uses less digits than its factorization.

22042002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22042002231 its reverse (13220024022), we get a palindrome (35262026253).

The spelling of 22042002231 in words is "twenty-two billion, forty-two million, two thousand, two hundred thirty-one".