22553493120 has 512 divisors, whose sum is σ = 82722816000. Its totient is φ = 5803757568.

The previous prime is 22553493103. The next prime is 22553493121. The reversal of 22553493120 is 2139435522.

22553493120 is a `hidden beast` number, since 2 + 2 + 553 + 4 + 93 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22553493121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94365961 + ... + 94366199.

It is an arithmetic number, because the mean of its divisors is an integer number (161568000).

Almost surely, 2^22553493120 is an apocalyptic number.

22553493120 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 22553493120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41361408000).

22553493120 is an abundant number, since it is smaller than the sum of its proper divisors (60169322880).

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

22553493120 is a wasteful number, since it uses less digits than its factorization.

22553493120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 22553493120 in words is "twenty-two billion, five hundred fifty-three million, four hundred ninety-three thousand, one hundred twenty".