422244031423 has 4 divisors (see below), whose sum is σ = 422259252768. Its totient is φ = 422228810080.

The previous prime is 422244031379. The next prime is 422244031459. The reversal of 422244031423 is 324130442224.

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-422244031423 is a prime.

It is a super-2 number, since 2×422244031423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422244031123) 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, 7568986 + ... + 7624567.

It is an arithmetic number, because the mean of its divisors is an integer number (105564813192).

Almost surely, 2^422244031423 is an apocalyptic number.

422244031423 is a deficient number, since it is larger than the sum of its proper divisors (15221345).

422244031423 is a wasteful number, since it uses less digits than its factorization.

422244031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221344.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 422244031423 its reverse (324130442224), we get a palindrome (746374473647).

The spelling of 422244031423 in words is "four hundred twenty-two billion, two hundred forty-four million, thirty-one thousand, four hundred twenty-three".