225914440 has 16 divisors (see below), whose sum is σ = 508307580. Its totient is φ = 90365760.

The previous prime is 225914431. The next prime is 225914449. The reversal of 225914440 is 44419522.

225914440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225914431) and next prime (225914449).

It can be written as a sum of positive squares in 2 ways, for example, as 223741764 + 2172676 = 14958^2 + 1474^2 .

It is not an unprimeable number, because it can be changed into a prime (225914449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823891 + ... + 2823970.

Almost surely, 2^225914440 is an apocalyptic number.

225914440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225914440 is an abundant number, since it is smaller than the sum of its proper divisors (282393140).

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

225914440 is a wasteful number, since it uses less digits than its factorization.

225914440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647872 (or 5647868 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 225914440 is about 15030.4504257191. The cubic root of 225914440 is about 609.0430574881.

The spelling of 225914440 in words is "two hundred twenty-five million, nine hundred fourteen thousand, four hundred forty".