225292219 has 2 divisors, whose sum is σ = 225292220. Its totient is φ = 225292218.

The previous prime is 225292201. The next prime is 225292229. The reversal of 225292219 is 912292522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225292219 - 2¹⁵ = 225259451 is a prime.

It is a super-2 number, since 2×225292219² = 101513167883887922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225292229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112646109 + 112646110.

It is an arithmetic number, because the mean of its divisors is an integer number (112646110).

Almost surely, 2^225292219 is an apocalyptic number.

225292219 is a deficient number, since it is larger than the sum of its proper divisors (1).

225292219 is an equidigital number, since it uses as much as digits as its factorization.

225292219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 225292219 is about 15009.7374727208. The cubic root of 225292219 is about 608.4833945353.

The spelling of 225292219 in words is "two hundred twenty-five million, two hundred ninety-two thousand, two hundred nineteen".