22552001160 has 128 divisors (see below), whose sum is σ = 72969240960. Its totient is φ = 5542963200.

The previous prime is 22552001159. The next prime is 22552001167. The reversal of 22552001160 is 6110025522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22552001160.

It is not an unprimeable number, because it can be changed into a prime (22552001167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1067500 + ... + 1088420.

It is an arithmetic number, because the mean of its divisors is an integer number (570072195).

Almost surely, 2^22552001160 is an apocalyptic number.

22552001160 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 22552001160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36484620480).

22552001160 is an abundant number, since it is smaller than the sum of its proper divisors (50417239800).

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

22552001160 is a wasteful number, since it uses less digits than its factorization.

22552001160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21639 (or 21635 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 22552001160 its reverse (6110025522), we get a palindrome (28662026682).

The spelling of 22552001160 in words is "twenty-two billion, five hundred fifty-two million, one thousand, one hundred sixty".