242222125215 has 32 divisors (see below), whose sum is σ = 444003471360. Its totient is φ = 110459361024.

The previous prime is 242222125199. The next prime is 242222125241. The reversal of 242222125215 is 512521222242.

It is not a de Polignac number, because 242222125215 - 2⁴ = 242222125199 is a prime.

It is a super-2 number, since 2×242222125215² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2777199 + ... + 2863088.

It is an arithmetic number, because the mean of its divisors is an integer number (13875108480).

Almost surely, 2^242222125215 is an apocalyptic number.

242222125215 is a deficient number, since it is larger than the sum of its proper divisors (201781346145).

242222125215 is a wasteful number, since it uses less digits than its factorization.

242222125215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640711.

The product of its digits is 12800, while the sum is 30.

Adding to 242222125215 its reverse (512521222242), we get a palindrome (754743347457).

The spelling of 242222125215 in words is "two hundred forty-two billion, two hundred twenty-two million, one hundred twenty-five thousand, two hundred fifteen".