225996822 has 24 divisors (see below), whose sum is σ = 491266776. Its totient is φ = 75085056.

The previous prime is 225996803. The next prime is 225996833. The reversal of 225996822 is 228699522.

It is a super-4 number, since 4×225996822⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14923 + ... + 25974.

It is an arithmetic number, because the mean of its divisors is an integer number (20469449).

Almost surely, 2^225996822 is an apocalyptic number.

225996822 is an abundant number, since it is smaller than the sum of its proper divisors (265269954).

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

225996822 is a wasteful number, since it uses less digits than its factorization.

225996822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41212 (or 41209 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 225996822 is about 15033.1906792936. The cubic root of 225996822 is about 609.1170797412.

The spelling of 225996822 in words is "two hundred twenty-five million, nine hundred ninety-six thousand, eight hundred twenty-two".