22554522320 has 80 divisors (see below), whose sum is σ = 57424574592. Its totient is φ = 8170375680.

The previous prime is 22554522293. The next prime is 22554522323. The reversal of 22554522320 is 2322545522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554522323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182714 + ... + 280166.

Almost surely, 2^22554522320 is an apocalyptic number.

22554522320 is a gapful number since it is divisible by the number (20) 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 22554522320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28712287296).

22554522320 is an abundant number, since it is smaller than the sum of its proper divisors (34870052272).

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

22554522320 is a wasteful number, since it uses less digits than its factorization.

22554522320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97740 (or 97734 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

It can be divided in two parts, 225 and 54522320, that added together give a palindrome (54522545).

The spelling of 22554522320 in words is "twenty-two billion, five hundred fifty-four million, five hundred twenty-two thousand, three hundred twenty".