422398331 has 4 divisors (see below), whose sum is σ = 432221592. Its totient is φ = 412575072.

The previous prime is 422398309. The next prime is 422398391. The reversal of 422398331 is 133893224.

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

It is a cyclic number.

It is not a de Polignac number, because 422398331 - 2⁶ = 422398267 is a prime.

It is a super-2 number, since 2×422398331² = 356840700063171122, 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 = 422398291 and 422398300.

It is not an unprimeable number, because it can be changed into a prime (422398391) 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, 4911566 + ... + 4911651.

It is an arithmetic number, because the mean of its divisors is an integer number (108055398).

Almost surely, 2^422398331 is an apocalyptic number.

422398331 is a deficient number, since it is larger than the sum of its proper divisors (9823261).

422398331 is an equidigital number, since it uses as much as digits as its factorization.

422398331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823260.

The product of its digits is 31104, while the sum is 35.

The square root of 422398331 is about 20552.3315222385. The cubic root of 422398331 is about 750.3099939281.

The spelling of 422398331 in words is "four hundred twenty-two million, three hundred ninety-eight thousand, three hundred thirty-one".