22553311352 has 64 divisors (see below), whose sum is σ = 49725416160. Its totient is φ = 9454348800.

The previous prime is 22553311349. The next prime is 22553311441. The reversal of 22553311352 is 25311335522.

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, 1342718 + ... + 1359410.

Almost surely, 2^22553311352 is an apocalyptic number.

22553311352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22553311352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24862708080).

22553311352 is an abundant number, since it is smaller than the sum of its proper divisors (27172104808).

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

22553311352 is a wasteful number, since it uses less digits than its factorization.

22553311352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17904 (or 17900 counting only the distinct ones).

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

Adding to 22553311352 its reverse (25311335522), we get a palindrome (47864646874).

The spelling of 22553311352 in words is "twenty-two billion, five hundred fifty-three million, three hundred eleven thousand, three hundred fifty-two".