228890574 has 24 divisors (see below), whose sum is σ = 541014552. Its totient is φ = 69360720.

The previous prime is 228890561. The next prime is 228890593. The reversal of 228890574 is 475098822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577809 + ... + 578204.

It is an arithmetic number, because the mean of its divisors is an integer number (22542273).

Almost surely, 2^228890574 is an apocalyptic number.

228890574 is an abundant number, since it is smaller than the sum of its proper divisors (312123978).

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

228890574 is a wasteful number, since it uses less digits than its factorization.

228890574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156032 (or 1156029 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 228890574 is about 15129.1299815951. The cubic root of 228890574 is about 611.7058531355.

The spelling of 228890574 in words is "two hundred twenty-eight million, eight hundred ninety thousand, five hundred seventy-four".