220664044 has 6 divisors (see below), whose sum is σ = 386162084. Its totient is φ = 110332020.

The previous prime is 220663999. The next prime is 220664053. The reversal of 220664044 is 440466022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27583002 + ... + 27583009.

Almost surely, 2^220664044 is an apocalyptic number.

It is an amenable number.

220664044 is a deficient number, since it is larger than the sum of its proper divisors (165498040).

220664044 is a wasteful number, since it uses less digits than its factorization.

220664044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55166015 (or 55166013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 220664044 is about 14854.7650267515. The cubic root of 220664044 is about 604.2878435931.

The spelling of 220664044 in words is "two hundred twenty million, six hundred sixty-four thousand, forty-four".