22552247536 has 160 divisors (see below), whose sum is σ = 56430166016. Its totient is φ = 8491392000.

The previous prime is 22552247533. The next prime is 22552247587. The reversal of 22552247536 is 63574225522.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22552247492 and 22552247501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552247533) 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, 2749201 + ... + 2757391.

Almost surely, 2^22552247536 is an apocalyptic number.

22552247536 is a gapful number since it is divisible by the number (26) 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 22552247536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28215083008).

22552247536 is an abundant number, since it is smaller than the sum of its proper divisors (33877918480).

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

22552247536 is a wasteful number, since it uses less digits than its factorization.

22552247536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311 (or 8305 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 43.

The spelling of 22552247536 in words is "twenty-two billion, five hundred fifty-two million, two hundred forty-seven thousand, five hundred thirty-six".