252210422 has 8 divisors (see below), whose sum is σ = 378539136. Its totient is φ = 126030712.

The previous prime is 252210421. The next prime is 252210493. The reversal of 252210422 is 224012252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×252210422² = 127220193930836168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252210394 and 252210403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252210421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32918 + ... + 39849.

It is an arithmetic number, because the mean of its divisors is an integer number (47317392).

Almost surely, 2^252210422 is an apocalyptic number.

252210422 is a deficient number, since it is larger than the sum of its proper divisors (126328714).

252210422 is a wasteful number, since it uses less digits than its factorization.

252210422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74502.

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

The square root of 252210422 is about 15881.1341534539. The cubic root of 252210422 is about 631.8117178680.

Adding to 252210422 its reverse (224012252), we get a palindrome (476222674).

The spelling of 252210422 in words is "two hundred fifty-two million, two hundred ten thousand, four hundred twenty-two".