252222244 has 12 divisors (see below), whose sum is σ = 442810368. Its totient is φ = 125705000.

The previous prime is 252222211. The next prime is 252222259. The reversal of 252222244 is 442222252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100132 + ... + 102619.

It is an arithmetic number, because the mean of its divisors is an integer number (36900864).

Almost surely, 2^252222244 is an apocalyptic number.

It is an amenable number.

252222244 is a deficient number, since it is larger than the sum of its proper divisors (190588124).

252222244 is a wasteful number, since it uses less digits than its factorization.

252222244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203066 (or 203064 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 252222244 is about 15881.5063517287. The cubic root of 252222244 is about 631.8215894683.

Adding to 252222244 its reverse (442222252), we get a palindrome (694444496).

The spelling of 252222244 in words is "two hundred fifty-two million, two hundred twenty-two thousand, two hundred forty-four".