228325473 has 12 divisors (see below), whose sum is σ = 342018768. Its totient is φ = 152216820.

The previous prime is 228325469. The next prime is 228325507. The reversal of 228325473 is 374523822.

It is not a de Polignac number, because 228325473 - 2² = 228325469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228325403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469563 + ... + 470048.

It is an arithmetic number, because the mean of its divisors is an integer number (28501564).

Almost surely, 2^228325473 is an apocalyptic number.

It is an amenable number.

228325473 is a deficient number, since it is larger than the sum of its proper divisors (113693295).

228325473 is an frugal number, since it uses more digits than its factorization.

228325473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939626 (or 939614 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 228325473 is about 15110.4425150291. The cubic root of 228325473 is about 611.2020309377.

The spelling of 228325473 in words is "two hundred twenty-eight million, three hundred twenty-five thousand, four hundred seventy-three".