22045544724 has 144 divisors (see below), whose sum is σ = 62190374400. Its totient is φ = 6053886720.

The previous prime is 22045544711. The next prime is 22045544737. The reversal of 22045544724 is 42744554022.

It is an interprime number because it is at equal distance from previous prime (22045544711) and next prime (22045544737).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2711914 + ... + 2720030.

It is an arithmetic number, because the mean of its divisors is an integer number (431877600).

Almost surely, 2^22045544724 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 22045544724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31095187200).

22045544724 is an abundant number, since it is smaller than the sum of its proper divisors (40144829676).

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

22045544724 is a wasteful number, since it uses less digits than its factorization.

22045544724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318 (or 8309 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 39.

The spelling of 22045544724 in words is "twenty-two billion, forty-five million, five hundred forty-four thousand, seven hundred twenty-four".