672216022 has 4 divisors (see below), whose sum is σ = 1008324036. Its totient is φ = 336108010.

The previous prime is 672216019. The next prime is 672216053. The reversal of 672216022 is 220612276.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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, 168054004 + ... + 168054007.

It is an arithmetic number, because the mean of its divisors is an integer number (252081009).

Almost surely, 2^672216022 is an apocalyptic number.

672216022 is a deficient number, since it is larger than the sum of its proper divisors (336108014).

672216022 is a wasteful number, since it uses less digits than its factorization.

672216022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336108013.

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

The square root of 672216022 is about 25927.1290736171. The cubic root of 672216022 is about 875.9976743195.

Adding to 672216022 its reverse (220612276), we get a palindrome (892828298).

The spelling of 672216022 in words is "six hundred seventy-two million, two hundred sixteen thousand, twenty-two".