422310622 has 4 divisors (see below), whose sum is σ = 633465936. Its totient is φ = 211155310.

The previous prime is 422310547. The next prime is 422310641. The reversal of 422310622 is 226013224.

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

It is a super-2 number, since 2×422310622² = 356692522908053768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 422310593 and 422310602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105577654 + ... + 105577657.

It is an arithmetic number, because the mean of its divisors is an integer number (158366484).

Almost surely, 2^422310622 is an apocalyptic number.

422310622 is a deficient number, since it is larger than the sum of its proper divisors (211155314).

422310622 is a wasteful number, since it uses less digits than its factorization.

422310622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211155313.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 422310622 is about 20550.1976146216. The cubic root of 422310622 is about 750.2580575686.

Adding to 422310622 its reverse (226013224), we get a palindrome (648323846).

The spelling of 422310622 in words is "four hundred twenty-two million, three hundred ten thousand, six hundred twenty-two".