22331315552 has 96 divisors (see below), whose sum is σ = 54156211200. Its totient is φ = 8826905088.

The previous prime is 22331315533. The next prime is 22331315561. The reversal of 22331315552 is 25551313322.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4537349 + ... + 4542267.

It is an arithmetic number, because the mean of its divisors is an integer number (564127200).

Almost surely, 2^22331315552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22331315552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27078105600).

22331315552 is an abundant number, since it is smaller than the sum of its proper divisors (31824895648).

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

22331315552 is a wasteful number, since it uses less digits than its factorization.

22331315552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508 (or 6500 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

Adding to 22331315552 its reverse (25551313322), we get a palindrome (47882628874).

The spelling of 22331315552 in words is "twenty-two billion, three hundred thirty-one million, three hundred fifteen thousand, five hundred fifty-two".