225858219 has 16 divisors (see below), whose sum is σ = 311291904. Its totient is φ = 145512000.

The previous prime is 225858167. The next prime is 225858221. The reversal of 225858219 is 912858522.

It is not a de Polignac number, because 225858219 - 2⁹ = 225857707 is a prime.

It is a super-2 number, since 2×225858219² = 102023870179703922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225858239) 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, 94894 + ... + 97244.

It is an arithmetic number, because the mean of its divisors is an integer number (19455744).

Almost surely, 2^225858219 is an apocalyptic number.

225858219 is a deficient number, since it is larger than the sum of its proper divisors (85433685).

225858219 is a wasteful number, since it uses less digits than its factorization.

225858219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418.

The product of its digits is 115200, while the sum is 42.

The square root of 225858219 is about 15028.5800726482. The cubic root of 225858219 is about 608.9925312055.

The spelling of 225858219 in words is "two hundred twenty-five million, eight hundred fifty-eight thousand, two hundred nineteen".