64272822 has 8 divisors (see below), whose sum is σ = 128545656. Its totient is φ = 21424272.

The previous prime is 64272809. The next prime is 64272851. The reversal of 64272822 is 22827246.

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

64272822 is an admirable number.

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, 5356063 + ... + 5356074.

It is an arithmetic number, because the mean of its divisors is an integer number (16068207).

Almost surely, 2^64272822 is an apocalyptic number.

64272822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64272822 is a wasteful number, since it uses less digits than its factorization.

64272822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712142.

The product of its digits is 21504, while the sum is 33.

The square root of 64272822 is about 8017.0332417921. The cubic root of 64272822 is about 400.5675734367.

The spelling of 64272822 in words is "sixty-four million, two hundred seventy-two thousand, eight hundred twenty-two".