225423519 has 8 divisors (see below), whose sum is σ = 318245040. Its totient is φ = 141442176.

The previous prime is 225423503. The next prime is 225423533. The reversal of 225423519 is 915324522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225423519 - 2⁴ = 225423503 is a prime.

It is a super-2 number, since 2×225423519² = 101631525836686722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225423519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225423559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209984 + ... + 2210085.

It is an arithmetic number, because the mean of its divisors is an integer number (39780630).

Almost surely, 2^225423519 is an apocalyptic number.

225423519 is a deficient number, since it is larger than the sum of its proper divisors (92821521).

225423519 is a wasteful number, since it uses less digits than its factorization.

225423519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420089.

The product of its digits is 21600, while the sum is 33.

The square root of 225423519 is about 15014.1106629730. The cubic root of 225423519 is about 608.6015793449.

The spelling of 225423519 in words is "two hundred twenty-five million, four hundred twenty-three thousand, five hundred nineteen".