228325464 has 24 divisors (see below), whose sum is σ = 618381660. Its totient is φ = 76108464.

The previous prime is 228325441. The next prime is 228325469. The reversal of 228325464 is 464523822.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228325469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1585522 + ... + 1585665.

Almost surely, 2^228325464 is an apocalyptic number.

228325464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228325464 is an abundant number, since it is smaller than the sum of its proper divisors (390056196).

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

228325464 is a wasteful number, since it uses less digits than its factorization.

228325464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171199 (or 3171192 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 228325464 is about 15110.4422172218. The cubic root of 228325464 is about 611.2020229071.

The spelling of 228325464 in words is "two hundred twenty-eight million, three hundred twenty-five thousand, four hundred sixty-four".