225740390392 has 32 divisors (see below), whose sum is σ = 463373354880. Its totient is φ = 102246680160.

The previous prime is 225740390389. The next prime is 225740390437. The reversal of 225740390392 is 293093047522.

It is a congruent number.

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, 4507308 + ... + 4557115.

It is an arithmetic number, because the mean of its divisors is an integer number (14480417340).

Almost surely, 2^225740390392 is an apocalyptic number.

225740390392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225740390392 is an abundant number, since it is smaller than the sum of its proper divisors (237632964488).

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

225740390392 is a wasteful number, since it uses less digits than its factorization.

225740390392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064723 (or 9064719 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 225740390392 in words is "two hundred twenty-five billion, seven hundred forty million, three hundred ninety thousand, three hundred ninety-two".