228942574 has 16 divisors (see below), whose sum is σ = 392773248. Its totient is φ = 98043192.

The previous prime is 228942541. The next prime is 228942589. The reversal of 228942574 is 475249822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 228942574.

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, 15249 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (24548328).

Almost surely, 2^228942574 is an apocalyptic number.

228942574 is a deficient number, since it is larger than the sum of its proper divisors (163830674).

228942574 is a wasteful number, since it uses less digits than its factorization.

228942574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519.

The product of its digits is 322560, while the sum is 43.

The square root of 228942574 is about 15130.8484230066. The cubic root of 228942574 is about 611.7521726429.

The spelling of 228942574 in words is "two hundred twenty-eight million, nine hundred forty-two thousand, five hundred seventy-four".