228409952 has 24 divisors (see below), whose sum is σ = 450186912. Its totient is φ = 114076800.

The previous prime is 228409921. The next prime is 228409967. The reversal of 228409952 is 259904822.

It is a super-2 number, since 2×228409952² = 104342212345284608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29177 + ... + 36167.

It is an arithmetic number, because the mean of its divisors is an integer number (18757788).

Almost surely, 2^228409952 is an apocalyptic number.

It is an amenable number.

228409952 is a deficient number, since it is larger than the sum of its proper divisors (221776960).

228409952 is a wasteful number, since it uses less digits than its factorization.

228409952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022 (or 8014 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 228409952 is about 15113.2376412204. The cubic root of 228409952 is about 611.2774019552.

The spelling of 228409952 in words is "two hundred twenty-eight million, four hundred nine thousand, nine hundred fifty-two".