225880038 has 24 divisors (see below), whose sum is σ = 491976576. Its totient is φ = 74898000.

The previous prime is 225880013. The next prime is 225880049. The reversal of 225880038 is 830088522.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225879984 and 225880011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29413 + ... + 36288.

It is an arithmetic number, because the mean of its divisors is an integer number (20499024).

Almost surely, 2^225880038 is an apocalyptic number.

225880038 is an abundant number, since it is smaller than the sum of its proper divisors (266096538).

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

225880038 is a wasteful number, since it uses less digits than its factorization.

225880038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65900 (or 65897 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 225880038 is about 15029.3059720002. The cubic root of 225880038 is about 609.0121411187.

The spelling of 225880038 in words is "two hundred twenty-five million, eight hundred eighty thousand, thirty-eight".