22064532 has 48 divisors (see below), whose sum is σ = 59187072. Its totient is φ = 6266880.

The previous prime is 22064531. The next prime is 22064569. The reversal of 22064532 is 23546022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15532 + ... + 16892.

It is an arithmetic number, because the mean of its divisors is an integer number (1233064).

Almost surely, 2^22064532 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 22064532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29593536).

22064532 is an abundant number, since it is smaller than the sum of its proper divisors (37122540).

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

22064532 is a wasteful number, since it uses less digits than its factorization.

22064532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22064532 is about 4697.2898569281. The cubic root of 22064532 is about 280.4776371418.

The spelling of 22064532 in words is "twenty-two million, sixty-four thousand, five hundred thirty-two".