252410222 has 4 divisors (see below), whose sum is σ = 378615336. Its totient is φ = 126205110.

The previous prime is 252410177. The next prime is 252410243. The reversal of 252410222 is 222014252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252410194 and 252410203.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 63102554 + ... + 63102557.

It is an arithmetic number, because the mean of its divisors is an integer number (94653834).

Almost surely, 2^252410222 is an apocalyptic number.

252410222 is a deficient number, since it is larger than the sum of its proper divisors (126205114).

252410222 is a wasteful number, since it uses less digits than its factorization.

252410222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126205113.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 252410222 is about 15887.4233908460. The cubic root of 252410222 is about 631.9785133298.

Adding to 252410222 its reverse (222014252), we get a palindrome (474424474).

The spelling of 252410222 in words is "two hundred fifty-two million, four hundred ten thousand, two hundred twenty-two".