64622530 has 16 divisors (see below), whose sum is σ = 132937920. Its totient is φ = 22156272.

The previous prime is 64622521. The next prime is 64622533. The reversal of 64622530 is 3522646.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64622533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461520 + ... + 461659.

It is an arithmetic number, because the mean of its divisors is an integer number (8308620).

Almost surely, 2^64622530 is an apocalyptic number.

64622530 is an abundant number, since it is smaller than the sum of its proper divisors (68315390).

64622530 is a wasteful number, since it uses less digits than its factorization.

64622530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923193.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64622530 is about 8038.8139672467. The cubic root of 64622530 is about 401.2927549605.

The spelling of 64622530 in words is "sixty-four million, six hundred twenty-two thousand, five hundred thirty".