225001290 has 32 divisors (see below), whose sum is σ = 571769280. Its totient is φ = 56470784.

The previous prime is 225001237. The next prime is 225001291. The reversal of 225001290 is 92100522.

It is not an unprimeable number, because it can be changed into a prime (225001291) 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, 220080 + ... + 221099.

It is an arithmetic number, because the mean of its divisors is an integer number (17867790).

Almost surely, 2^225001290 is an apocalyptic number.

225001290 is an abundant number, since it is smaller than the sum of its proper divisors (346767990).

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

225001290 is a wasteful number, since it uses less digits than its factorization.

225001290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441206.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 225001290 is about 15000.0429999384. The cubic root of 225001290 is about 608.2213619315.

The spelling of 225001290 in words is "two hundred twenty-five million, one thousand, two hundred ninety".