225313890 has 32 divisors (see below), whose sum is σ = 558199296. Its totient is φ = 58145280.

The previous prime is 225313883. The next prime is 225313897. The reversal of 225313890 is 98313522.

It is an interprime number because it is at equal distance from previous prime (225313883) and next prime (225313897).

It is not an unprimeable number, because it can be changed into a prime (225313897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120207 + ... + 122066.

It is an arithmetic number, because the mean of its divisors is an integer number (17443728).

Almost surely, 2^225313890 is an apocalyptic number.

225313890 is an abundant number, since it is smaller than the sum of its proper divisors (332885406).

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

225313890 is a wasteful number, since it uses less digits than its factorization.

225313890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242314.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 225313890 is about 15010.4593533976. The cubic root of 225313890 is about 608.5029040430.

The spelling of 225313890 in words is "two hundred twenty-five million, three hundred thirteen thousand, eight hundred ninety".