22415756272 has 160 divisors (see below), whose sum is σ = 55374233600. Its totient is φ = 8551111680.

The previous prime is 22415756269. The next prime is 22415756291. The reversal of 22415756272 is 27265751422.

It is a super-2 number, since 2×22415756272² (a number of 22 digits) contains 22 as substring.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15751753 + ... + 15753175.

It is an arithmetic number, because the mean of its divisors is an integer number (346088960).

Almost surely, 2^22415756272 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 22415756272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27687116800).

22415756272 is an abundant number, since it is smaller than the sum of its proper divisors (32958477328).

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

22415756272 is a wasteful number, since it uses less digits than its factorization.

22415756272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1825 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The spelling of 22415756272 in words is "twenty-two billion, four hundred fifteen million, seven hundred fifty-six thousand, two hundred seventy-two".