225544499 has 4 divisors (see below), whose sum is σ = 232820160. Its totient is φ = 218268840.

The previous prime is 225544483. The next prime is 225544519. The reversal of 225544499 is 994445522.

225544499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225544499 - 2⁴ = 225544483 is a prime.

It is a super-2 number, since 2×225544499² = 101740642058322002, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (225544439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637784 + ... + 3637845.

It is an arithmetic number, because the mean of its divisors is an integer number (58205040).

Almost surely, 2^225544499 is an apocalyptic number.

225544499 is a deficient number, since it is larger than the sum of its proper divisors (7275661).

225544499 is an equidigital number, since it uses as much as digits as its factorization.

225544499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275660.

The product of its digits is 518400, while the sum is 44.

The square root of 225544499 is about 15018.1389992236. The cubic root of 225544499 is about 608.7104343743.

The spelling of 225544499 in words is "two hundred twenty-five million, five hundred forty-four thousand, four hundred ninety-nine".