22531012044 has 24 divisors (see below), whose sum is σ = 52647377328. Its totient is φ = 7499620800.

The previous prime is 22531012019. The next prime is 22531012057. The reversal of 22531012044 is 44021013522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330807 + ... + 1347630.

It is an arithmetic number, because the mean of its divisors is an integer number (2193640722).

Almost surely, 2^22531012044 is an apocalyptic number.

It is an amenable number.

22531012044 is an abundant number, since it is smaller than the sum of its proper divisors (30116365284).

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

22531012044 is a wasteful number, since it uses less digits than its factorization.

22531012044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679145 (or 2679143 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22531012044 its reverse (44021013522), we get a palindrome (66552025566).

The spelling of 22531012044 in words is "twenty-two billion, five hundred thirty-one million, twelve thousand, forty-four".