228743025 has 72 divisors (see below), whose sum is σ = 446980320. Its totient is φ = 102896640.

The previous prime is 228743023. The next prime is 228743051. The reversal of 228743025 is 520347822.

It is not a de Polignac number, because 228743025 - 2¹ = 228743023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228743023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 245761 + ... + 246689.

It is an arithmetic number, because the mean of its divisors is an integer number (6208060).

Almost surely, 2^228743025 is an apocalyptic number.

228743025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228743025 is a deficient number, since it is larger than the sum of its proper divisors (218237295).

228743025 is a wasteful number, since it uses less digits than its factorization.

228743025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 228743025 is about 15124.2528741092. The cubic root of 228743025 is about 611.5743842182.

The spelling of 228743025 in words is "two hundred twenty-eight million, seven hundred forty-three thousand, twenty-five".