228442956 has 24 divisors (see below), whose sum is σ = 609181440. Its totient is φ = 65269392.

The previous prime is 228442943. The next prime is 228443003. The reversal of 228442956 is 659244822.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1359696 + ... + 1359863.

It is an arithmetic number, because the mean of its divisors is an integer number (25382560).

Almost surely, 2^228442956 is an apocalyptic number.

It is an amenable number.

228442956 is an abundant number, since it is smaller than the sum of its proper divisors (380738484).

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

228442956 is a wasteful number, since it uses less digits than its factorization.

228442956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719573 (or 2719571 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 228442956 is about 15114.3294922401. The cubic root of 228442956 is about 611.3068426276.

The spelling of 228442956 in words is "two hundred twenty-eight million, four hundred forty-two thousand, nine hundred fifty-six".