672222016 has 28 divisors (see below), whose sum is σ = 1334978788. Its totient is φ = 335849472.

The previous prime is 672221999. The next prime is 672222029. The reversal of 672222016 is 610222276.

It can be written as a sum of positive squares in 2 ways, for example, as 456249600 + 215972416 = 21360^2 + 14696^2 .

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, 98920 + ... + 105496.

Almost surely, 2^672222016 is an apocalyptic number.

It is an amenable number.

672222016 is a deficient number, since it is larger than the sum of its proper divisors (662756772).

672222016 is a wasteful number, since it uses less digits than its factorization.

672222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186 (or 8176 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 672222016 is about 25927.2446665665. The cubic root of 672222016 is about 876.0002780036. Note that the first 3 decimals are identical.

The spelling of 672222016 in words is "six hundred seventy-two million, two hundred twenty-two thousand, sixteen".