225252422 has 16 divisors (see below), whose sum is σ = 341870544. Its totient is φ = 111300000.

The previous prime is 225252413. The next prime is 225252449. The reversal of 225252422 is 224252522.

It is a junction number, because it is equal to n+sod(n) for n = 225252391 and 225252400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211772 + ... + 212832.

It is an arithmetic number, because the mean of its divisors is an integer number (21366909).

Almost surely, 2^225252422 is an apocalyptic number.

225252422 is a deficient number, since it is larger than the sum of its proper divisors (116618122).

225252422 is a wasteful number, since it uses less digits than its factorization.

225252422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215.

The product of its digits is 6400, while the sum is 26.

The square root of 225252422 is about 15008.4117081056. The cubic root of 225252422 is about 608.4475636785.

The spelling of 225252422 in words is "two hundred twenty-five million, two hundred fifty-two thousand, four hundred twenty-two".