253222015 has 8 divisors (see below), whose sum is σ = 303955920. Its totient is φ = 202517952.

The previous prime is 253222009. The next prime is 253222031. The reversal of 253222015 is 510222352.

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

It is a cyclic number.

It is not a de Polignac number, because 253222015 - 2⁷ = 253221887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21291 + ... + 30979.

It is an arithmetic number, because the mean of its divisors is an integer number (37994490).

Almost surely, 2^253222015 is an apocalyptic number.

253222015 is a deficient number, since it is larger than the sum of its proper divisors (50733905).

253222015 is an equidigital number, since it uses as much as digits as its factorization.

253222015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 253222015 is about 15912.9511719228. The cubic root of 253222015 is about 632.6553040810.

Adding to 253222015 its reverse (510222352), we get a palindrome (763444367).

The spelling of 253222015 in words is "two hundred fifty-three million, two hundred twenty-two thousand, fifteen".