225021669974 has 32 divisors (see below), whose sum is σ = 366182552736. Its totient is φ = 103287674880.

The previous prime is 225021669959. The next prime is 225021669997. The reversal of 225021669974 is 479966120522.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7740314 + ... + 7769330.

It is an arithmetic number, because the mean of its divisors is an integer number (11443204773).

Almost surely, 2^225021669974 is an apocalyptic number.

225021669974 is a deficient number, since it is larger than the sum of its proper divisors (141160882762).

225021669974 is a wasteful number, since it uses less digits than its factorization.

225021669974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34640.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 225021669974 in words is "two hundred twenty-five billion, twenty-one million, six hundred sixty-nine thousand, nine hundred seventy-four".