22630534272 has 160 divisors (see below), whose sum is σ = 67445203980. Its totient is φ = 7532642304.

The previous prime is 22630534271. The next prime is 22630534273. The reversal of 22630534272 is 27243503622.

22630534272 is a `hidden beast` number, since 2 + 2 + 6 + 305 + 342 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (22630534271) and next prime (22630534273).

It can be written as a sum of positive squares in 2 ways, for example, as 22492800576 + 137733696 = 149976^2 + 11736^2 .

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 (22630534271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10709088 + ... + 10711200.

Almost surely, 2^22630534272 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 22630534272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33722601990).

22630534272 is an abundant number, since it is smaller than the sum of its proper divisors (44814669708).

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

22630534272 is a wasteful number, since it uses less digits than its factorization.

22630534272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 22630534272 in words is "twenty-two billion, six hundred thirty million, five hundred thirty-four thousand, two hundred seventy-two".