225220074 has 16 divisors (see below), whose sum is σ = 454427712. Its totient is φ = 74408768.

The previous prime is 225220069. The next prime is 225220087. The reversal of 225220074 is 470022522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165414 + ... + 166769.

It is an arithmetic number, because the mean of its divisors is an integer number (28401732).

Almost surely, 2^225220074 is an apocalyptic number.

225220074 is an abundant number, since it is smaller than the sum of its proper divisors (229207638).

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

225220074 is a wasteful number, since it uses less digits than its factorization.

225220074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332301.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 225220074 is about 15007.3340070780. The cubic root of 225220074 is about 608.4184363498.

Adding to 225220074 its reverse (470022522), we get a palindrome (695242596).

The spelling of 225220074 in words is "two hundred twenty-five million, two hundred twenty thousand, seventy-four".