252222202 has 4 divisors (see below), whose sum is σ = 378333306. Its totient is φ = 126111100.

The previous prime is 252222181. The next prime is 252222211. The reversal of 252222202 is 202222252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 239909121 + 12313081 = 15489^2 + 3509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252222202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63055549 + ... + 63055552.

Almost surely, 2^252222202 is an apocalyptic number.

252222202 is a deficient number, since it is larger than the sum of its proper divisors (126111104).

252222202 is a wasteful number, since it uses less digits than its factorization.

252222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126111103.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 252222202 is about 15881.5050294360. The cubic root of 252222202 is about 631.8215543981.

Adding to 252222202 its reverse (202222252), we get a palindrome (454444454).

The spelling of 252222202 in words is "two hundred fifty-two million, two hundred twenty-two thousand, two hundred two".