672222222 has 48 divisors (see below), whose sum is σ = 1681741152. Its totient is φ = 190080000.

The previous prime is 672222217. The next prime is 672222227. The reversal of 672222222 is 222222276.

It is an interprime number because it is at equal distance from previous prime (672222217) and next prime (672222227).

It is a nude number because it is divisible by every one of its digits.

672222222 is a modest number, since divided by 22222 gives 6722 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672222227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15279 + ... + 39722.

It is an arithmetic number, because the mean of its divisors is an integer number (35036274).

Almost surely, 2^672222222 is an apocalyptic number.

672222222 is an abundant number, since it is smaller than the sum of its proper divisors (1009518930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672222222 is a wasteful number, since it uses less digits than its factorization.

672222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55113 (or 55110 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 672222222 is about 25927.2486392212. The cubic root of 672222222 is about 876.0003674859. Note that the first 3 decimals are identical.

Adding to 672222222 its reverse (222222276), we get a palindrome (894444498).

The spelling of 672222222 in words is "six hundred seventy-two million, two hundred twenty-two thousand, two hundred twenty-two".