22064312 has 16 divisors (see below), whose sum is σ = 42705600. Its totient is φ = 10676160.

The previous prime is 22064311. The next prime is 22064327. The reversal of 22064312 is 21346022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064311) 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 3 ways as a sum of consecutive naturals, for example, 44237 + ... + 44732.

It is an arithmetic number, because the mean of its divisors is an integer number (2669100).

Almost surely, 2^22064312 is an apocalyptic number.

It is an amenable number.

22064312 is a deficient number, since it is larger than the sum of its proper divisors (20641288).

22064312 is a wasteful number, since it uses less digits than its factorization.

22064312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89006 (or 89002 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22064312 is about 4697.2664391112. The cubic root of 22064312 is about 280.4767049476.

The spelling of 22064312 in words is "twenty-two million, sixty-four thousand, three hundred twelve".