225663396 has 48 divisors (see below), whose sum is σ = 627938304. Its totient is φ = 61671456.

The previous prime is 225663371. The next prime is 225663397. The reversal of 225663396 is 693366522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (225663397) 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, 56470 + ... + 60333.

It is an arithmetic number, because the mean of its divisors is an integer number (13082048).

Almost surely, 2^225663396 is an apocalyptic number.

It is an amenable number.

225663396 is an abundant number, since it is smaller than the sum of its proper divisors (402274908).

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

225663396 is a wasteful number, since it uses less digits than its factorization.

225663396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116840 (or 116838 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 225663396 is about 15022.0969241980. The cubic root of 225663396 is about 608.8173772483.

The spelling of 225663396 in words is "two hundred twenty-five million, six hundred sixty-three thousand, three hundred ninety-six".