422120402031 has 8 divisors (see below), whose sum is σ = 563559100720. Its totient is φ = 281047652352.

The previous prime is 422120402029. The next prime is 422120402047. The reversal of 422120402031 is 130204021224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422120402031 - 2¹ = 422120402029 is a prime.

It is a super-2 number, since 2×422120402031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422120401989 and 422120402007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422120402831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91484560 + ... + 91489173.

It is an arithmetic number, because the mean of its divisors is an integer number (70444887590).

Almost surely, 2^422120402031 is an apocalyptic number.

422120402031 is a deficient number, since it is larger than the sum of its proper divisors (141438698689).

422120402031 is a wasteful number, since it uses less digits than its factorization.

422120402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182974505.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 422120402031 its reverse (130204021224), we get a palindrome (552324423255).

The spelling of 422120402031 in words is "four hundred twenty-two billion, one hundred twenty million, four hundred two thousand, thirty-one".