252225221223 has 16 divisors (see below), whose sum is σ = 356133546720. Its totient is φ = 158236348416.

The previous prime is 252225221219. The next prime is 252225221231. The reversal of 252225221223 is 322122522252.

It is not a de Polignac number, because 252225221223 - 2² = 252225221219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252225221323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10711 + ... + 710327.

It is an arithmetic number, because the mean of its divisors is an integer number (22258346670).

Almost surely, 2^252225221223 is an apocalyptic number.

252225221223 is a deficient number, since it is larger than the sum of its proper divisors (103908325497).

252225221223 is a wasteful number, since it uses less digits than its factorization.

252225221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706706.

The product of its digits is 19200, while the sum is 30.

Adding to 252225221223 its reverse (322122522252), we get a palindrome (574347743475).

The spelling of 252225221223 in words is "two hundred fifty-two billion, two hundred twenty-five million, two hundred twenty-one thousand, two hundred twenty-three".