22764064 has 24 divisors (see below), whose sum is σ = 45325980. Its totient is φ = 11252736.

The previous prime is 22764047. The next prime is 22764067. The reversal of 22764064 is 46046722.

It can be written as a sum of positive squares in 2 ways, for example, as 19184400 + 3579664 = 4380^2 + 1892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22764067) 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, 1149 + ... + 6844.

Almost surely, 2^22764064 is an apocalyptic number.

It is an amenable number.

22764064 is a deficient number, since it is larger than the sum of its proper divisors (22561916).

22764064 is an equidigital number, since it uses as much as digits as its factorization.

22764064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092 (or 8084 counting only the distinct ones).

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

The square root of 22764064 is about 4771.1700870960. The cubic root of 22764064 is about 283.4109326859.

The spelling of 22764064 in words is "twenty-two million, seven hundred sixty-four thousand, sixty-four".