64572422 has 8 divisors (see below), whose sum is σ = 96929400. Its totient is φ = 32262624.

The previous prime is 64572419. The next prime is 64572433. The reversal of 64572422 is 22427546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8147 + ... + 13982.

It is an arithmetic number, because the mean of its divisors is an integer number (12116175).

Almost surely, 2^64572422 is an apocalyptic number.

64572422 is a deficient number, since it is larger than the sum of its proper divisors (32356978).

64572422 is a wasteful number, since it uses less digits than its factorization.

64572422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23590.

The product of its digits is 26880, while the sum is 32.

The square root of 64572422 is about 8035.6967339491. The cubic root of 64572422 is about 401.1890079814.

Adding to 64572422 its reverse (22427546), we get a palindrome (86999968).

The spelling of 64572422 in words is "sixty-four million, five hundred seventy-two thousand, four hundred twenty-two".