225254040 has 64 divisors (see below), whose sum is σ = 737199360. Its totient is φ = 54606720.

The previous prime is 225254021. The next prime is 225254047. The reversal of 225254040 is 40452522.

It is a happy number.

225254040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 225254040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225254047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84004 + ... + 86643.

It is an arithmetic number, because the mean of its divisors is an integer number (11518740).

Almost surely, 2^225254040 is an apocalyptic number.

225254040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225254040 is an abundant number, since it is smaller than the sum of its proper divisors (511945320).

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

225254040 is a wasteful number, since it uses less digits than its factorization.

225254040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170672 (or 170668 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 225254040 is about 15008.4656111143. The cubic root of 225254040 is about 608.4490205120.

It can be divided in two parts, 22525 and 4040, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 225254040 in words is "two hundred twenty-five million, two hundred fifty-four thousand, forty".