672222177 has 48 divisors (see below), whose sum is σ = 1130500800. Its totient is φ = 380390400.

The previous prime is 672222169. The next prime is 672222191. The reversal of 672222177 is 771222276.

It is not a de Polignac number, because 672222177 - 2³ = 672222169 is a prime.

It is a super-3 number, since 3×672222177³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (672222167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218949 + ... + 221997.

It is an arithmetic number, because the mean of its divisors is an integer number (23552100).

Almost surely, 2^672222177 is an apocalyptic number.

It is an amenable number.

672222177 is a deficient number, since it is larger than the sum of its proper divisors (458278623).

672222177 is a wasteful number, since it uses less digits than its factorization.

672222177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3211 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 672222177 is about 25927.2477714084. The cubic root of 672222177 is about 876.0003479388. Note that the first 3 decimals are identical.

Subtracting 672222177 from its reverse (771222276), we obtain a palindrome (99000099).

The spelling of 672222177 in words is "six hundred seventy-two million, two hundred twenty-two thousand, one hundred seventy-seven".