225142044 has 48 divisors (see below), whose sum is σ = 535277568. Its totient is φ = 73640448.

The previous prime is 225141989. The next prime is 225142069. The reversal of 225142044 is 440241522.

It is a happy number.

225142044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147067 + ... + 148589.

It is an arithmetic number, because the mean of its divisors is an integer number (11151616).

Almost surely, 2^225142044 is an apocalyptic number.

It is an amenable number.

225142044 is an abundant number, since it is smaller than the sum of its proper divisors (310135524).

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

225142044 is a wasteful number, since it uses less digits than its factorization.

225142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 225142044 is about 15004.7340529581. The cubic root of 225142044 is about 608.3481637885.

Adding to 225142044 its reverse (440241522), we get a palindrome (665383566).

The spelling of 225142044 in words is "two hundred twenty-five million, one hundred forty-two thousand, forty-four".