472173227 has 2 divisors, whose sum is σ = 472173228. Its totient is φ = 472173226.

The previous prime is 472173223. The next prime is 472173241. The reversal of 472173227 is 722371274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472173227 - 2² = 472173223 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472173223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236086613 + 236086614.

It is an arithmetic number, because the mean of its divisors is an integer number (236086614).

Almost surely, 2^472173227 is an apocalyptic number.

472173227 is a deficient number, since it is larger than the sum of its proper divisors (1).

472173227 is an equidigital number, since it uses as much as digits as its factorization.

472173227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 35.

The square root of 472173227 is about 21729.5473261640. The cubic root of 472173227 is about 778.6945218198.

The spelling of 472173227 in words is "four hundred seventy-two million, one hundred seventy-three thousand, two hundred twenty-seven".