228956456 has 8 divisors (see below), whose sum is σ = 429293370. Its totient is φ = 114478224.

The previous prime is 228956443. The next prime is 228956471. The reversal of 228956456 is 654659822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 191379556 + 37576900 = 13834^2 + 6130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 228956456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14309771 + ... + 14309786.

Almost surely, 2^228956456 is an apocalyptic number.

It is an amenable number.

228956456 is a deficient number, since it is larger than the sum of its proper divisors (200336914).

228956456 is a wasteful number, since it uses less digits than its factorization.

228956456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28619563 (or 28619559 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 228956456 is about 15131.3071477649. The cubic root of 228956456 is about 611.7645369837.

The spelling of 228956456 in words is "two hundred twenty-eight million, nine hundred fifty-six thousand, four hundred fifty-six".