225541499 has 4 divisors (see below), whose sum is σ = 238808664. Its totient is φ = 212274336.

The previous prime is 225541471. The next prime is 225541501. The reversal of 225541499 is 994145522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994145522 = 2 ⋅497072761.

It is a cyclic number.

It is not a de Polignac number, because 225541499 - 2¹⁶ = 225475963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225541999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6633557 + ... + 6633590.

It is an arithmetic number, because the mean of its divisors is an integer number (59702166).

Almost surely, 2^225541499 is an apocalyptic number.

225541499 is a deficient number, since it is larger than the sum of its proper divisors (13267165).

225541499 is a wasteful number, since it uses less digits than its factorization.

225541499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13267164.

The product of its digits is 129600, while the sum is 41.

The square root of 225541499 is about 15018.0391196720. The cubic root of 225541499 is about 608.7077355138.

The spelling of 225541499 in words is "two hundred twenty-five million, five hundred forty-one thousand, four hundred ninety-nine".