252220189 has 16 divisors (see below), whose sum is σ = 278288640. Its totient is φ = 227136960.

The previous prime is 252220159. The next prime is 252220201. The reversal of 252220189 is 981022252.

It is a cyclic number.

It is not a de Polignac number, because 252220189 - 2⁹ = 252219677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252220189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252220159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310594 + ... + 311404.

It is an arithmetic number, because the mean of its divisors is an integer number (17393040).

Almost surely, 2^252220189 is an apocalyptic number.

It is an amenable number.

252220189 is a deficient number, since it is larger than the sum of its proper divisors (26068451).

252220189 is a wasteful number, since it uses less digits than its factorization.

252220189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 252220189 is about 15881.4416537039. The cubic root of 252220189 is about 631.8198735254.

The spelling of 252220189 in words is "two hundred fifty-two million, two hundred twenty thousand, one hundred eighty-nine".