22250525472 has 384 divisors, whose sum is σ = 78507878400. Its totient is φ = 5989137408.

The previous prime is 22250525467. The next prime is 22250525477. The reversal of 22250525472 is 27452505222.

It is an interprime number because it is at equal distance from previous prime (22250525467) and next prime (22250525477).

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 (22250525477) 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, 26084598 + ... + 26085450.

It is an arithmetic number, because the mean of its divisors is an integer number (204447600).

Almost surely, 2^22250525472 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 22250525472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39253939200).

22250525472 is an abundant number, since it is smaller than the sum of its proper divisors (56257352928).

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

22250525472 is a wasteful number, since it uses less digits than its factorization.

22250525472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The spelling of 22250525472 in words is "twenty-two billion, two hundred fifty million, five hundred twenty-five thousand, four hundred seventy-two".