225993430 has 16 divisors (see below), whose sum is σ = 438079824. Its totient is φ = 83443680.

The previous prime is 225993403. The next prime is 225993487. The reversal of 225993430 is 34399522.

It is a self number, because there is not a number n which added to its sum of digits gives 225993430.

It is a congruent number.

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, 869076 + ... + 869335.

It is an arithmetic number, because the mean of its divisors is an integer number (27379989).

Almost surely, 2^225993430 is an apocalyptic number.

225993430 is a deficient number, since it is larger than the sum of its proper divisors (212086394).

225993430 is a wasteful number, since it uses less digits than its factorization.

225993430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738431.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 225993430 is about 15033.0778618352. The cubic root of 225993430 is about 609.1140323009.

The spelling of 225993430 in words is "two hundred twenty-five million, nine hundred ninety-three thousand, four hundred thirty".