672216922 has 16 divisors (see below), whose sum is σ = 1143041760. Its totient is φ = 293924592.

The previous prime is 672216901. The next prime is 672216943. The reversal of 672216922 is 229612276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (672216901) and next prime (672216943).

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 in 7 ways as a sum of consecutive naturals, for example, 679888 + ... + 680875.

It is an arithmetic number, because the mean of its divisors is an integer number (71440110).

Almost surely, 2^672216922 is an apocalyptic number.

672216922 is a deficient number, since it is larger than the sum of its proper divisors (470824838).

672216922 is a wasteful number, since it uses less digits than its factorization.

672216922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360797.

The product of its digits is 36288, while the sum is 37.

The square root of 672216922 is about 25927.1464299487. The cubic root of 672216922 is about 875.9980652640.

The spelling of 672216922 in words is "six hundred seventy-two million, two hundred sixteen thousand, nine hundred twenty-two".