422331233 has 4 divisors (see below), whose sum is σ = 424772628. Its totient is φ = 419889840.

The previous prime is 422331229. The next prime is 422331241. The reversal of 422331233 is 332133224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 235407649 + 186923584 = 15343^2 + 13672^2 .

It is a cyclic number.

It is not a de Polignac number, because 422331233 - 2² = 422331229 is a prime.

It is a super-4 number, since 4×422331233⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422331199 and 422331208.

It is not an unprimeable number, because it can be changed into a prime (422331733) 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, 1220438 + ... + 1220783.

It is an arithmetic number, because the mean of its divisors is an integer number (106193157).

Almost surely, 2^422331233 is an apocalyptic number.

It is an amenable number.

422331233 is a deficient number, since it is larger than the sum of its proper divisors (2441395).

422331233 is a wasteful number, since it uses less digits than its factorization.

422331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441394.

The product of its digits is 2592, while the sum is 23.

The square root of 422331233 is about 20550.6990878656. The cubic root of 422331233 is about 750.2702628952.

Adding to 422331233 its reverse (332133224), we get a palindrome (754464457).

The spelling of 422331233 in words is "four hundred twenty-two million, three hundred thirty-one thousand, two hundred thirty-three".