64222044 has 24 divisors (see below), whose sum is σ = 151537680. Its totient is φ = 21166464.

The previous prime is 64222019. The next prime is 64222063. The reversal of 64222044 is 44022246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28999 + ... + 31134.

It is an arithmetic number, because the mean of its divisors is an integer number (6314070).

Almost surely, 2^64222044 is an apocalyptic number.

It is an amenable number.

64222044 is an abundant number, since it is smaller than the sum of its proper divisors (87315636).

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

64222044 is a wasteful number, since it uses less digits than its factorization.

64222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60229 (or 60227 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 64222044 is about 8013.8657338391. The cubic root of 64222044 is about 400.4620577178.

The spelling of 64222044 in words is "sixty-four million, two hundred twenty-two thousand, forty-four".