225233144 has 16 divisors (see below), whose sum is σ = 444539400. Its totient is φ = 106689312.

The previous prime is 225233081. The next prime is 225233231. The reversal of 225233144 is 441332522.

It is a super-2 number, since 2×225233144² = 101459938312249472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740747 + ... + 741050.

Almost surely, 2^225233144 is an apocalyptic number.

It is an amenable number.

225233144 is a deficient number, since it is larger than the sum of its proper divisors (219306256).

225233144 is a wasteful number, since it uses less digits than its factorization.

225233144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481822 (or 1481818 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 225233144 is about 15007.7694545192. The cubic root of 225233144 is about 608.4302053942.

Adding to 225233144 its reverse (441332522), we get a palindrome (666565666).

The spelling of 225233144 in words is "two hundred twenty-five million, two hundred thirty-three thousand, one hundred forty-four".