422812272 has 40 divisors (see below), whose sum is σ = 1093100176. Its totient is φ = 140829696.

The previous prime is 422812223. The next prime is 422812279. The reversal of 422812272 is 272218224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422812279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82818 + ... + 87774.

Almost surely, 2^422812272 is an apocalyptic number.

It is an amenable number.

422812272 is an abundant number, since it is smaller than the sum of its proper divisors (670287904).

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

422812272 is a wasteful number, since it uses less digits than its factorization.

422812272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745 (or 6739 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 422812272 is about 20562.3994708789. The cubic root of 422812272 is about 750.5550096289. Note that the first 3 decimals are identical.

The spelling of 422812272 in words is "four hundred twenty-two million, eight hundred twelve thousand, two hundred seventy-two".