225153400 has 24 divisors (see below), whose sum is σ = 523482120. Its totient is φ = 90061280.

The previous prime is 225153377. The next prime is 225153413. The reversal of 225153400 is 4351522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562684 + ... + 563083.

It is an arithmetic number, because the mean of its divisors is an integer number (21811755).

Almost surely, 2^225153400 is an apocalyptic number.

225153400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225153400 is an abundant number, since it is smaller than the sum of its proper divisors (298328720).

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

225153400 is a wasteful number, since it uses less digits than its factorization.

225153400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125783 (or 1125774 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225153400 is about 15005.1124620910. The cubic root of 225153400 is about 608.3583918286.

The spelling of 225153400 in words is "two hundred twenty-five million, one hundred fifty-three thousand, four hundred".