32564322 has 96 divisors (see below), whose sum is σ = 87114240. Its totient is φ = 8981280.

The previous prime is 32564321. The next prime is 32564327. The reversal of 32564322 is 22346523.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (32564321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81828 + ... + 82224.

It is an arithmetic number, because the mean of its divisors is an integer number (907440).

Almost surely, 2^32564322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32564322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43557120).

32564322 is an abundant number, since it is smaller than the sum of its proper divisors (54549918).

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

32564322 is a wasteful number, since it uses less digits than its factorization.

32564322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 440 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 32564322 is about 5706.5157495621. The cubic root of 32564322 is about 319.3356072012.

The spelling of 32564322 in words is "thirty-two million, five hundred sixty-four thousand, three hundred twenty-two".