422120402231 has 8 divisors (see below), whose sum is σ = 476374122000. Its totient is φ = 370513205440.

The previous prime is 422120402201. The next prime is 422120402233. The reversal of 422120402231 is 132204021224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422120402231 is a prime.

It is a super-2 number, since 2×422120402231² (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 = 422120402197 and 422120402206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422120402233) 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, 661630406 + ... + 661631043.

It is an arithmetic number, because the mean of its divisors is an integer number (59546765250).

Almost surely, 2^422120402231 is an apocalyptic number.

422120402231 is a deficient number, since it is larger than the sum of its proper divisors (54253719769).

422120402231 is a wasteful number, since it uses less digits than its factorization.

422120402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323261489.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 422120402231 its reverse (132204021224), we get a palindrome (554324423455).

The spelling of 422120402231 in words is "four hundred twenty-two billion, one hundred twenty million, four hundred two thousand, two hundred thirty-one".