225011940 has 24 divisors (see below), whose sum is σ = 630033600. Its totient is φ = 60003168.

The previous prime is 225011939. The next prime is 225011953. The reversal of 225011940 is 49110522.

225011940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 225011940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875040 + ... + 1875159.

It is an arithmetic number, because the mean of its divisors is an integer number (26251400).

Almost surely, 2^225011940 is an apocalyptic number.

225011940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225011940 is an abundant number, since it is smaller than the sum of its proper divisors (405021660).

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

225011940 is a wasteful number, since it uses less digits than its factorization.

225011940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750211 (or 3750209 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 225011940 is about 15000.3979947200. The cubic root of 225011940 is about 608.2309581066.

The spelling of 225011940 in words is "two hundred twenty-five million, eleven thousand, nine hundred forty".