422422031 has 4 divisors (see below), whose sum is σ = 430392312. Its totient is φ = 414451752.

The previous prime is 422421977. The next prime is 422422037. The reversal of 422422031 is 130224224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422422031 is a prime.

It is a super-2 number, since 2×422422031² = 356880744548329922, 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 = 422421994 and 422422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422422037) 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, 3985061 + ... + 3985166.

It is an arithmetic number, because the mean of its divisors is an integer number (107598078).

Almost surely, 2^422422031 is an apocalyptic number.

422422031 is a deficient number, since it is larger than the sum of its proper divisors (7970281).

422422031 is an equidigital number, since it uses as much as digits as its factorization.

422422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970280.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422422031 is about 20552.9080910707. The cubic root of 422422031 is about 750.3240265075.

Adding to 422422031 its reverse (130224224), we get a palindrome (552646255).

The spelling of 422422031 in words is "four hundred twenty-two million, four hundred twenty-two thousand, thirty-one".