472978122 has 16 divisors (see below), whose sum is σ = 946482240. Its totient is φ = 157571712.

The previous prime is 472978109. The next prime is 472978123. The reversal of 472978122 is 221879274.

It is not an unprimeable number, because it can be changed into a prime (472978123) 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, 9703 + ... + 32250.

It is an arithmetic number, because the mean of its divisors is an integer number (59155140).

Almost surely, 2^472978122 is an apocalyptic number.

472978122 is an abundant number, since it is smaller than the sum of its proper divisors (473504118).

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

472978122 is a wasteful number, since it uses less digits than its factorization.

472978122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43837.

The product of its digits is 112896, while the sum is 42.

The square root of 472978122 is about 21748.0601893594. The cubic root of 472978122 is about 779.1367405412.

The spelling of 472978122 in words is "four hundred seventy-two million, nine hundred seventy-eight thousand, one hundred twenty-two".