225002660 has 24 divisors (see below), whose sum is σ = 483495936. Its totient is φ = 87907680.

The previous prime is 225002653. The next prime is 225002663. The reversal of 225002660 is 66200522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225002663) 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, 129956 + ... + 131675.

It is an arithmetic number, because the mean of its divisors is an integer number (20145664).

Almost surely, 2^225002660 is an apocalyptic number.

225002660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225002660 is an abundant number, since it is smaller than the sum of its proper divisors (258493276).

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

225002660 is a wasteful number, since it uses less digits than its factorization.

225002660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261683 (or 261681 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 225002660 is about 15000.0886664046. The cubic root of 225002660 is about 608.2225963860. Note that the first 3 decimals are identical.

The spelling of 225002660 in words is "two hundred twenty-five million, two thousand, six hundred sixty".