472622591 has 12 divisors (see below), whose sum is σ = 551537928. Its totient is φ = 403813872.

The previous prime is 472622581. The next prime is 472622603. The reversal of 472622591 is 195226274.

It is not a de Polignac number, because 472622591 - 2²² = 468428287 is a prime.

It is a super-2 number, since 2×472622591² = 446744227047106562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472622581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320 + ... + 30746.

It is an arithmetic number, because the mean of its divisors is an integer number (45961494).

Almost surely, 2^472622591 is an apocalyptic number.

472622591 is a deficient number, since it is larger than the sum of its proper divisors (78915337).

472622591 is a wasteful number, since it uses less digits than its factorization.

472622591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30758 (or 30751 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 472622591 is about 21739.8847973029. The cubic root of 472622591 is about 778.9414695635.

The spelling of 472622591 in words is "four hundred seventy-two million, six hundred twenty-two thousand, five hundred ninety-one".