22406764 has 24 divisors (see below), whose sum is σ = 40216176. Its totient is φ = 10920000.

The previous prime is 22406759. The next prime is 22406771. The reversal of 22406764 is 46760422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31614 + ... + 32314.

It is an arithmetic number, because the mean of its divisors is an integer number (1675674).

Almost surely, 2^22406764 is an apocalyptic number.

It is an amenable number.

22406764 is a deficient number, since it is larger than the sum of its proper divisors (17809412).

22406764 is a wasteful number, since it uses less digits than its factorization.

22406764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 22406764 is about 4733.5783504660. The cubic root of 22406764 is about 281.9203201942.

The spelling of 22406764 in words is "twenty-two million, four hundred six thousand, seven hundred sixty-four".