472272291 has 24 divisors (see below), whose sum is σ = 727603344. Its totient is φ = 294151680.

The previous prime is 472272287. The next prime is 472272323. The reversal of 472272291 is 192272274.

It is not a de Polignac number, because 472272291 - 2² = 472272287 is a prime.

It is a super-2 number, since 2×472272291² = 446082233692777362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472272211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9696 + ... + 32226.

It is an arithmetic number, because the mean of its divisors is an integer number (30316806).

Almost surely, 2^472272291 is an apocalyptic number.

472272291 is a deficient number, since it is larger than the sum of its proper divisors (255331053).

472272291 is a wasteful number, since it uses less digits than its factorization.

472272291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22691 (or 22688 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 472272291 is about 21731.8266834613. The cubic root of 472272291 is about 778.7489758460.

The spelling of 472272291 in words is "four hundred seventy-two million, two hundred seventy-two thousand, two hundred ninety-one".