225896244 has 48 divisors (see below), whose sum is σ = 634099200. Its totient is φ = 61144416.

The previous prime is 225896239. The next prime is 225896257. The reversal of 225896244 is 442698522.

It is a super-2 number, since 2×225896244² = 102058226106615072, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 225896196 and 225896205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69174 + ... + 72365.

It is an arithmetic number, because the mean of its divisors is an integer number (13210400).

Almost surely, 2^225896244 is an apocalyptic number.

It is an amenable number.

225896244 is an abundant number, since it is smaller than the sum of its proper divisors (408202956).

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

225896244 is a wasteful number, since it uses less digits than its factorization.

225896244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141572 (or 141570 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 225896244 is about 15029.8451089823. The cubic root of 225896244 is about 609.0267055084.

The spelling of 225896244 in words is "two hundred twenty-five million, eight hundred ninety-six thousand, two hundred forty-four".