225213980 has 12 divisors (see below), whose sum is σ = 472949400. Its totient is φ = 90085584.

The previous prime is 225213949. The next prime is 225214007. The reversal of 225213980 is 89312522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630330 + ... + 5630369.

It is an arithmetic number, because the mean of its divisors is an integer number (39412450).

Almost surely, 2^225213980 is an apocalyptic number.

225213980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225213980 is an abundant number, since it is smaller than the sum of its proper divisors (247735420).

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

225213980 is a wasteful number, since it uses less digits than its factorization.

225213980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260708 (or 11260706 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 225213980 is about 15007.1309716414. The cubic root of 225213980 is about 608.4129487759.

The spelling of 225213980 in words is "two hundred twenty-five million, two hundred thirteen thousand, nine hundred eighty".