225396822 has 32 divisors (see below), whose sum is σ = 529120512. Its totient is φ = 62658144.

The previous prime is 225396799. The next prime is 225396823. The reversal of 225396822 is 228693522.

It is a Smith number, since the sum of its digits (39) 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 not an unprimeable number, because it can be changed into a prime (225396823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70968 + ... + 74075.

It is an arithmetic number, because the mean of its divisors is an integer number (16535016).

Almost surely, 2^225396822 is an apocalyptic number.

225396822 is an abundant number, since it is smaller than the sum of its proper divisors (303723690).

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

225396822 is a wasteful number, since it uses less digits than its factorization.

225396822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145092.

The product of its digits is 103680, while the sum is 39.

The square root of 225396822 is about 15013.2215730002. The cubic root of 225396822 is about 608.5775527513.

The spelling of 225396822 in words is "two hundred twenty-five million, three hundred ninety-six thousand, eight hundred twenty-two".