225671022 has 40 divisors (see below), whose sum is σ = 535422096. Its totient is φ = 70797888.

The previous prime is 225671021. The next prime is 225671051. The reversal of 225671022 is 220176522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225671021) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 38218 + ... + 43725.

Almost surely, 2^225671022 is an apocalyptic number.

225671022 is an abundant number, since it is smaller than the sum of its proper divisors (309751074).

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

225671022 is a wasteful number, since it uses less digits than its factorization.

225671022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81974 (or 81965 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 225671022 is about 15022.3507481353. The cubic root of 225671022 is about 608.8242352340.

The spelling of 225671022 in words is "two hundred twenty-five million, six hundred seventy-one thousand, twenty-two".