422230631 has 4 divisors (see below), whose sum is σ = 432049992. Its totient is φ = 412411272.

The previous prime is 422230607. The next prime is 422230651. The reversal of 422230631 is 136032224.

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

It is a cyclic number.

It is not a de Polignac number, because 422230631 - 2¹⁸ = 421968487 is a prime.

It is a super-2 number, since 2×422230631² = 356557411509316322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422230597 and 422230606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422230651) 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, 4909616 + ... + 4909701.

It is an arithmetic number, because the mean of its divisors is an integer number (108012498).

Almost surely, 2^422230631 is an apocalyptic number.

422230631 is a deficient number, since it is larger than the sum of its proper divisors (9819361).

422230631 is an equidigital number, since it uses as much as digits as its factorization.

422230631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819360.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 422230631 is about 20548.2512881267. The cubic root of 422230631 is about 750.2106851065.

Adding to 422230631 its reverse (136032224), we get a palindrome (558262855).

The spelling of 422230631 in words is "four hundred twenty-two million, two hundred thirty thousand, six hundred thirty-one".