474472421522 has 18 divisors (see below), whose sum is σ = 782308974279. Its totient is φ = 215664411820.

The previous prime is 474472421519. The next prime is 474472421569. The reversal of 474472421522 is 225124274474.

It can be written as a sum of positive squares in only one way, i.e., 237236210761 + 237236210761 = 487069^2 + 487069^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=487069.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10693379 + ... + 10737657.

Almost surely, 2^474472421522 is an apocalyptic number.

474472421522 is a deficient number, since it is larger than the sum of its proper divisors (307836552757).

474472421522 is an frugal number, since it uses more digits than its factorization.

474472421522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88582 (or 44292 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 44.

Adding to 474472421522 its reverse (225124274474), we get a palindrome (699596695996).

The spelling of 474472421522 in words is "four hundred seventy-four billion, four hundred seventy-two million, four hundred twenty-one thousand, five hundred twenty-two".