225168974 has 8 divisors (see below), whose sum is σ = 342510768. Its totient is φ = 110998720.

The previous prime is 225168973. The next prime is 225168991. The reversal of 225168974 is 479861522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225168971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792707 + ... + 792990.

It is an arithmetic number, because the mean of its divisors is an integer number (42813846).

Almost surely, 2^225168974 is an apocalyptic number.

225168974 is a deficient number, since it is larger than the sum of its proper divisors (117341794).

225168974 is a wasteful number, since it uses less digits than its factorization.

225168974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585770.

The product of its digits is 241920, while the sum is 44.

The square root of 225168974 is about 15005.6314095742. The cubic root of 225168974 is about 608.3724183474.

The spelling of 225168974 in words is "two hundred twenty-five million, one hundred sixty-eight thousand, nine hundred seventy-four".