225242044 has 12 divisors (see below), whose sum is σ = 417360384. Its totient is φ = 105996224.

The previous prime is 225242029. The next prime is 225242053. The reversal of 225242044 is 440242522.

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, 1656124 + ... + 1656259.

It is an arithmetic number, because the mean of its divisors is an integer number (34780032).

Almost surely, 2^225242044 is an apocalyptic number.

It is an amenable number.

225242044 is a deficient number, since it is larger than the sum of its proper divisors (192118340).

225242044 is a wasteful number, since it uses less digits than its factorization.

225242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312404 (or 3312402 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 225242044 is about 15008.0659646738. The cubic root of 225242044 is about 608.4382192495.

Adding to 225242044 its reverse (440242522), we get a palindrome (665484566).

The spelling of 225242044 in words is "two hundred twenty-five million, two hundred forty-two thousand, forty-four".