225235770 has 64 divisors (see below), whose sum is σ = 562692096. Its totient is φ = 57637440.

The previous prime is 225235753. The next prime is 225235783. The reversal of 225235770 is 77532522.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117157 + ... + 119063.

It is an arithmetic number, because the mean of its divisors is an integer number (8792064).

Almost surely, 2^225235770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225235770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281346048).

225235770 is an abundant number, since it is smaller than the sum of its proper divisors (337456326).

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

225235770 is a wasteful number, since it uses less digits than its factorization.

225235770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 225235770 is about 15007.8569422819. The cubic root of 225235770 is about 608.4325699537.

The spelling of 225235770 in words is "two hundred twenty-five million, two hundred thirty-five thousand, seven hundred seventy".