472122634 has 4 divisors (see below), whose sum is σ = 708183954. Its totient is φ = 236061316.

The previous prime is 472122611. The next prime is 472122643. The reversal of 472122634 is 436221274.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 323892009 + 148230625 = 17997^2 + 12175^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 472122596 and 472122605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118030657 + ... + 118030660.

Almost surely, 2^472122634 is an apocalyptic number.

472122634 is a deficient number, since it is larger than the sum of its proper divisors (236061320).

472122634 is a wasteful number, since it uses less digits than its factorization.

472122634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236061319.

The product of its digits is 16128, while the sum is 31.

The square root of 472122634 is about 21728.3831427927. The cubic root of 472122634 is about 778.6667086523. Note that the first 3 decimals are identical.

The spelling of 472122634 in words is "four hundred seventy-two million, one hundred twenty-two thousand, six hundred thirty-four".