225222393 has 16 divisors (see below), whose sum is σ = 328211136. Its totient is φ = 136242240.

The previous prime is 225222391. The next prime is 225222397. The reversal of 225222393 is 393222522.

It is not a de Polignac number, because 225222393 - 2¹ = 225222391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225222393.

It is not an unprimeable number, because it can be changed into a prime (225222391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12255 + ... + 24507.

It is an arithmetic number, because the mean of its divisors is an integer number (20513196).

Almost surely, 2^225222393 is an apocalyptic number.

It is an amenable number.

225222393 is a deficient number, since it is larger than the sum of its proper divisors (102988743).

225222393 is a wasteful number, since it uses less digits than its factorization.

225222393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824.

The product of its digits is 12960, while the sum is 30.

The square root of 225222393 is about 15007.4112691030. The cubic root of 225222393 is about 608.4205245555.

The spelling of 225222393 in words is "two hundred twenty-five million, two hundred twenty-two thousand, three hundred ninety-three".