225955422 has 48 divisors (see below), whose sum is σ = 610376832. Its totient is φ = 58689360.

The previous prime is 225955409. The next prime is 225955439. The reversal of 225955422 is 224559522.

It is a happy number.

225955422 is a `hidden beast` number, since 2 + 25 + 95 + 542 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80128 + ... + 82899.

It is an arithmetic number, because the mean of its divisors is an integer number (12716184).

Almost surely, 2^225955422 is an apocalyptic number.

225955422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225955422 is an abundant number, since it is smaller than the sum of its proper divisors (384421410).

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

225955422 is a wasteful number, since it uses less digits than its factorization.

225955422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163053 (or 163050 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 225955422 is about 15031.8136630282. The cubic root of 225955422 is about 609.0798830720.

The spelling of 225955422 in words is "two hundred twenty-five million, nine hundred fifty-five thousand, four hundred twenty-two".