225274044 has 24 divisors (see below), whose sum is σ = 526151808. Its totient is φ = 75018160.

The previous prime is 225274043. The next prime is 225274067. The reversal of 225274044 is 440472522.

It is a super-2 number, since 2×225274044² = 101496789800227872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225274043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4489 + ... + 21695.

It is an arithmetic number, because the mean of its divisors is an integer number (21922992).

Almost surely, 2^225274044 is an apocalyptic number.

It is an amenable number.

225274044 is an abundant number, since it is smaller than the sum of its proper divisors (300877764).

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

225274044 is a wasteful number, since it uses less digits than its factorization.

225274044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305 (or 18303 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 225274044 is about 15009.1320202069. The cubic root of 225274044 is about 608.4670313675.

The spelling of 225274044 in words is "two hundred twenty-five million, two hundred seventy-four thousand, forty-four".