228629456 has 40 divisors (see below), whose sum is σ = 484281504. Its totient is φ = 103698560.

The previous prime is 228629431. The next prime is 228629459. The reversal of 228629456 is 654926822.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228629459) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 102206 + ... + 104418.

Almost surely, 2^228629456 is an apocalyptic number.

It is an amenable number.

228629456 is an abundant number, since it is smaller than the sum of its proper divisors (255652048).

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

228629456 is a wasteful number, since it uses less digits than its factorization.

228629456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2813 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 228629456 is about 15120.4978754008. The cubic root of 228629456 is about 611.4731536063.

The spelling of 228629456 in words is "two hundred twenty-eight million, six hundred twenty-nine thousand, four hundred fifty-six".