228825644 has 24 divisors (see below), whose sum is σ = 425790288. Its totient is φ = 107228160.

The previous prime is 228825637. The next prime is 228825673. The reversal of 228825644 is 446528822.

228825644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228825644² = 104722350704029472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 9407 + ... + 23369.

It is an arithmetic number, because the mean of its divisors is an integer number (17741262).

Almost surely, 2^228825644 is an apocalyptic number.

It is an amenable number.

228825644 is a deficient number, since it is larger than the sum of its proper divisors (196964644).

228825644 is a wasteful number, since it uses less digits than its factorization.

228825644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225 (or 14223 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 228825644 is about 15126.9839690534. The cubic root of 228825644 is about 611.6480062547.

The spelling of 228825644 in words is "two hundred twenty-eight million, eight hundred twenty-five thousand, six hundred forty-four".