22066064 has 10 divisors (see below), whose sum is σ = 42753030. Its totient is φ = 11033024.

The previous prime is 22066063. The next prime is 22066067. The reversal of 22066064 is 46066022.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 350464 = 4660^2 + 592^2 .

It is a super-2 number, since 2×22066064² = 973822360904192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22066061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689549 + ... + 689580.

It is an arithmetic number, because the mean of its divisors is an integer number (4275303).

Almost surely, 2^22066064 is an apocalyptic number.

It is an amenable number.

22066064 is a deficient number, since it is larger than the sum of its proper divisors (20686966).

22066064 is a wasteful number, since it uses less digits than its factorization.

22066064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379137 (or 1379131 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22066064 is about 4697.4529268530. The cubic root of 22066064 is about 280.4841284313.

The spelling of 22066064 in words is "twenty-two million, sixty-six thousand, sixty-four".