225616822 has 16 divisors (see below), whose sum is σ = 349776000. Its totient is φ = 109033920.

The previous prime is 225616789. The next prime is 225616837. The reversal of 225616822 is 228616522.

It is a congruent number.

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, 63304 + ... + 66772.

It is an arithmetic number, because the mean of its divisors is an integer number (21861000).

Almost surely, 2^225616822 is an apocalyptic number.

225616822 is a deficient number, since it is larger than the sum of its proper divisors (124159178).

225616822 is a wasteful number, since it uses less digits than its factorization.

225616822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551.

The product of its digits is 23040, while the sum is 34.

The square root of 225616822 is about 15020.5466611572. The cubic root of 225616822 is about 608.7754903614.

The spelling of 225616822 in words is "two hundred twenty-five million, six hundred sixteen thousand, eight hundred twenty-two".