672222015 has 12 divisors (see below), whose sum is σ = 1165184904. Its totient is φ = 358518384.

The previous prime is 672221999. The next prime is 672222029. The reversal of 672222015 is 510222276.

It is not a de Polignac number, because 672222015 - 2⁴ = 672221999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672222015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7469089 + ... + 7469178.

It is an arithmetic number, because the mean of its divisors is an integer number (97098742).

Almost surely, 2^672222015 is an apocalyptic number.

672222015 is a deficient number, since it is larger than the sum of its proper divisors (492962889).

672222015 is a wasteful number, since it uses less digits than its factorization.

672222015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14938278 (or 14938275 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 672222015 is about 25927.2446472817. The cubic root of 672222015 is about 876.0002775692. Note that the first 3 decimals are identical.

The spelling of 672222015 in words is "six hundred seventy-two million, two hundred twenty-two thousand, fifteen".