22252707736 has 256 divisors, whose sum is σ = 56173824000. Its totient is φ = 8028979200.

The previous prime is 22252707709. The next prime is 22252707751. The reversal of 22252707736 is 63770725222.

It is a junction number, because it is equal to n+sod(n) for n = 22252707692 and 22252707701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37025836 + ... + 37026436.

It is an arithmetic number, because the mean of its divisors is an integer number (219429000).

Almost surely, 2^22252707736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22252707736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28086912000).

22252707736 is an abundant number, since it is smaller than the sum of its proper divisors (33921116264).

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

22252707736 is a wasteful number, since it uses less digits than its factorization.

22252707736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 22252707736 in words is "twenty-two billion, two hundred fifty-two million, seven hundred seven thousand, seven hundred thirty-six".