22064216 has 16 divisors (see below), whose sum is σ = 41751600. Its totient is φ = 10930464.

The previous prime is 22064213. The next prime is 22064233. The reversal of 22064216 is 61246022.

22064216 = 79² + 80² + ... + 405².

It is a junction number, because it is equal to n+sod(n) for n = 22064191 and 22064200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11780 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (2609475).

Almost surely, 2^22064216 is an apocalyptic number.

It is an amenable number.

22064216 is a deficient number, since it is larger than the sum of its proper divisors (19687384).

22064216 is a wasteful number, since it uses less digits than its factorization.

22064216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25418 (or 25414 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22064216 is about 4697.2562203908. The cubic root of 22064216 is about 280.4762981700.

The spelling of 22064216 in words is "twenty-two million, sixty-four thousand, two hundred sixteen".