422672831 has 8 divisors (see below), whose sum is σ = 489169920. Its totient is φ = 357704568.

The previous prime is 422672821. The next prime is 422672849. The reversal of 422672831 is 138276224.

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

It is a cyclic number.

It is not a de Polignac number, because 422672831 - 2¹⁴ = 422656447 is a prime.

It is a super-2 number, since 2×422672831² = 357304644131109122, 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 = 422672791 and 422672800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422672821) 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, 381611 + ... + 382716.

It is an arithmetic number, because the mean of its divisors is an integer number (61146240).

Almost surely, 2^422672831 is an apocalyptic number.

422672831 is a deficient number, since it is larger than the sum of its proper divisors (66497089).

422672831 is an equidigital number, since it uses as much as digits as its factorization.

422672831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764413.

The product of its digits is 32256, while the sum is 35.

The square root of 422672831 is about 20559.0085120854. The cubic root of 422672831 is about 750.4724910146.

The spelling of 422672831 in words is "four hundred twenty-two million, six hundred seventy-two thousand, eight hundred thirty-one".