228122574 has 16 divisors (see below), whose sum is σ = 462672000. Its totient is φ = 74969720.

The previous prime is 228122513. The next prime is 228122581. The reversal of 228122574 is 475221822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267324 + ... + 268175.

It is an arithmetic number, because the mean of its divisors is an integer number (28917000).

Almost surely, 2^228122574 is an apocalyptic number.

228122574 is an abundant number, since it is smaller than the sum of its proper divisors (234549426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228122574 is a wasteful number, since it uses less digits than its factorization.

228122574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535575.

The product of its digits is 17920, while the sum is 33.

The square root of 228122574 is about 15103.7271559043. The cubic root of 228122574 is about 611.0209312244.

The spelling of 228122574 in words is "two hundred twenty-eight million, one hundred twenty-two thousand, five hundred seventy-four".