22450475616 has 96 divisors (see below), whose sum is σ = 60426850176. Its totient is φ = 7294080000.

The previous prime is 22450475561. The next prime is 22450475627. The reversal of 22450475616 is 61657405422.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×22450475616² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5709171 + ... + 5713101.

It is an arithmetic number, because the mean of its divisors is an integer number (629446356).

Almost surely, 2^22450475616 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 22450475616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30213425088).

22450475616 is an abundant number, since it is smaller than the sum of its proper divisors (37976374560).

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

22450475616 is a wasteful number, since it uses less digits than its factorization.

22450475616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 22450475616 in words is "twenty-two billion, four hundred fifty million, four hundred seventy-five thousand, six hundred sixteen".