225922736 has 40 divisors (see below), whose sum is σ = 477886080. Its totient is φ = 102836736.

The previous prime is 225922717. The next prime is 225922747. The reversal of 225922736 is 637229522.

It is a self number, because there is not a number n which added to its sum of digits gives 225922736.

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, 7745 + ... + 22623.

It is an arithmetic number, because the mean of its divisors is an integer number (11947152).

Almost surely, 2^225922736 is an apocalyptic number.

225922736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225922736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238943040).

225922736 is an abundant number, since it is smaller than the sum of its proper divisors (251963344).

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

225922736 is a wasteful number, since it uses less digits than its factorization.

225922736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973 (or 14967 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 225922736 is about 15030.7263962857. The cubic root of 225922736 is about 609.0505124629.

The spelling of 225922736 in words is "two hundred twenty-five million, nine hundred twenty-two thousand, seven hundred thirty-six".