225724022215 has 16 divisors (see below), whose sum is σ = 275494348800. Its totient is φ = 177496304032.

The previous prime is 225724022191. The next prime is 225724022221. The reversal of 225724022215 is 512220427522.

It is a cyclic number.

It is not a de Polignac number, because 225724022215 - 2¹³ = 225724014023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2547426 + ... + 2634544.

It is an arithmetic number, because the mean of its divisors is an integer number (17218396800).

Almost surely, 2^225724022215 is an apocalyptic number.

225724022215 is a deficient number, since it is larger than the sum of its proper divisors (49770326585).

225724022215 is an equidigital number, since it uses as much as digits as its factorization.

225724022215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95966.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 225724022215 its reverse (512220427522), we get a palindrome (737944449737).

The spelling of 225724022215 in words is "two hundred twenty-five billion, seven hundred twenty-four million, twenty-two thousand, two hundred fifteen".