30522564 has 72 divisors (see below), whose sum is σ = 81349632. Its totient is φ = 9630720.

The previous prime is 30522553. The next prime is 30522577. The reversal of 30522564 is 46522503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158052 + ... + 158244.

It is an arithmetic number, because the mean of its divisors is an integer number (1129856).

Almost surely, 2^30522564 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 30522564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40674816).

30522564 is an abundant number, since it is smaller than the sum of its proper divisors (50827068).

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

30522564 is a wasteful number, since it uses less digits than its factorization.

30522564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30522564 is about 5524.7229794805. The cubic root of 30522564 is about 312.5170175266.

The spelling of 30522564 in words is "thirty million, five hundred twenty-two thousand, five hundred sixty-four".