252666223 has 16 divisors (see below), whose sum is σ = 271590624. Its totient is φ = 234224640.

The previous prime is 252666221. The next prime is 252666287. The reversal of 252666223 is 322666252.

It is not a de Polignac number, because 252666223 - 2¹ = 252666221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252666221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 365308 + ... + 365998.

It is an arithmetic number, because the mean of its divisors is an integer number (16974414).

Almost surely, 2^252666223 is an apocalyptic number.

252666223 is a deficient number, since it is larger than the sum of its proper divisors (18924401).

252666223 is a wasteful number, since it uses less digits than its factorization.

252666223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its digits is 51840, while the sum is 34.

The square root of 252666223 is about 15895.4780676770. The cubic root of 252666223 is about 632.1920974768.

The spelling of 252666223 in words is "two hundred fifty-two million, six hundred sixty-six thousand, two hundred twenty-three".