225536430 has 32 divisors (see below), whose sum is σ = 618614784. Its totient is φ = 51551136.

The previous prime is 225536411. The next prime is 225536471. The reversal of 225536430 is 34635522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536782 + ... + 537201.

It is an arithmetic number, because the mean of its divisors is an integer number (19331712).

Almost surely, 2^225536430 is an apocalyptic number.

225536430 is an abundant number, since it is smaller than the sum of its proper divisors (393078354).

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

225536430 is a wasteful number, since it uses less digits than its factorization.

225536430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074000.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 225536430 is about 15017.8703550137. The cubic root of 225536430 is about 608.7031752849.

The spelling of 225536430 in words is "two hundred twenty-five million, five hundred thirty-six thousand, four hundred thirty".