422210252 has 6 divisors (see below), whose sum is σ = 738867948. Its totient is φ = 211105124.

The previous prime is 422210237. The next prime is 422210279. The reversal of 422210252 is 252012224.

It is a super-2 number, since 2×422210252² = 356522993787807008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52776278 + ... + 52776285.

It is an arithmetic number, because the mean of its divisors is an integer number (123144658).

Almost surely, 2^422210252 is an apocalyptic number.

It is an amenable number.

422210252 is a deficient number, since it is larger than the sum of its proper divisors (316657696).

422210252 is a wasteful number, since it uses less digits than its factorization.

422210252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105552567 (or 105552565 counting only the distinct ones).

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

The square root of 422210252 is about 20547.7554005298. The cubic root of 422210252 is about 750.1986152499.

Adding to 422210252 its reverse (252012224), we get a palindrome (674222476).

The spelling of 422210252 in words is "four hundred twenty-two million, two hundred ten thousand, two hundred fifty-two".