64722322 has 64 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 24615360.

The previous prime is 64722319. The next prime is 64722373. The reversal of 64722322 is 22322746.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434304 + ... + 434452.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^64722322 is an apocalyptic number.

64722322 is a deficient number, since it is larger than the sum of its proper divisors (59693678).

64722322 is a wasteful number, since it uses less digits than its factorization.

64722322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its digits is 8064, while the sum is 28.

The square root of 64722322 is about 8045.0184586488. The cubic root of 64722322 is about 401.4992113928.

The spelling of 64722322 in words is "sixty-four million, seven hundred twenty-two thousand, three hundred twenty-two".