225353499 has 24 divisors (see below), whose sum is σ = 352309248. Its totient is φ = 127748880.

The previous prime is 225353489. The next prime is 225353501. The reversal of 225353499 is 994353522.

It is not a de Polignac number, because 225353499 - 2⁴ = 225353483 is a prime.

It is a super-3 number, since 3×225353499³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225353499.

It is not an unprimeable number, because it can be changed into a prime (225353489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12634 + ... + 24704.

It is an arithmetic number, because the mean of its divisors is an integer number (14679552).

Almost surely, 2^225353499 is an apocalyptic number.

225353499 is a deficient number, since it is larger than the sum of its proper divisors (126955749).

225353499 is a wasteful number, since it uses less digits than its factorization.

225353499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215 (or 12208 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 225353499 is about 15011.7786754268. The cubic root of 225353499 is about 608.5385591600.

The spelling of 225353499 in words is "two hundred twenty-five million, three hundred fifty-three thousand, four hundred ninety-nine".