225022187 has 16 divisors (see below), whose sum is σ = 255780000. Its totient is φ = 196245504.

The previous prime is 225022169. The next prime is 225022201. The reversal of 225022187 is 781220522.

It is not a de Polignac number, because 225022187 - 2¹² = 225018091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225022117) 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, 109889 + ... + 111917.

It is an arithmetic number, because the mean of its divisors is an integer number (15986250).

Almost surely, 2^225022187 is an apocalyptic number.

225022187 is a deficient number, since it is larger than the sum of its proper divisors (30757813).

225022187 is a wasteful number, since it uses less digits than its factorization.

225022187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 225022187 is about 15000.7395484356. The cubic root of 225022187 is about 608.2401908729.

The spelling of 225022187 in words is "two hundred twenty-five million, twenty-two thousand, one hundred eighty-seven".