22457064 has 32 divisors (see below), whose sum is σ = 64163520. Its totient is φ = 6416256.

The previous prime is 22457059. The next prime is 22457077. The reversal of 22457064 is 46075422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66669 + ... + 67004.

It is an arithmetic number, because the mean of its divisors is an integer number (2005110).

Almost surely, 2^22457064 is an apocalyptic number.

22457064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22457064 is an abundant number, since it is smaller than the sum of its proper divisors (41706456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22457064 is a wasteful number, since it uses less digits than its factorization.

22457064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133689 (or 133685 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 22457064 is about 4738.8884772697. Note that the first 3 decimals coincide. The cubic root of 22457064 is about 282.1311195489.

The spelling of 22457064 in words is "twenty-two million, four hundred fifty-seven thousand, sixty-four".