225940308900 has 72 divisors (see below), whose sum is σ = 653801591520. Its totient is φ = 60243287040.

The previous prime is 225940308889. The next prime is 225940308911. The reversal of 225940308900 is 9803049522.

It is an interprime number because it is at equal distance from previous prime (225940308889) and next prime (225940308911).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2636527 + ... + 2720873.

It is an arithmetic number, because the mean of its divisors is an integer number (9080577660).

Almost surely, 2^225940308900 is an apocalyptic number.

225940308900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225940308900 is an abundant number, since it is smaller than the sum of its proper divisors (427861282620).

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

225940308900 is a wasteful number, since it uses less digits than its factorization.

225940308900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93293 (or 93286 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 225940308900 in words is "two hundred twenty-five billion, nine hundred forty million, three hundred eight thousand, nine hundred".