64622120 has 32 divisors (see below), whose sum is σ = 148785120. Its totient is φ = 25247040.

The previous prime is 64622113. The next prime is 64622147. The reversal of 64622120 is 2122646.

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, 17066 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (4649535).

Almost surely, 2^64622120 is an apocalyptic number.

It is an amenable number.

64622120 is an abundant number, since it is smaller than the sum of its proper divisors (84163000).

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

64622120 is a wasteful number, since it uses less digits than its factorization.

64622120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37625 (or 37621 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 64622120 is about 8038.7884659319. The cubic root of 64622120 is about 401.2919062866.

Adding to 64622120 its reverse (2122646), we get a palindrome (66744766).

The spelling of 64622120 in words is "sixty-four million, six hundred twenty-two thousand, one hundred twenty".