423331022 has 4 divisors (see below), whose sum is σ = 634996536. Its totient is φ = 211665510.

The previous prime is 423331019. The next prime is 423331043. The reversal of 423331022 is 220133324.

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

It is a junction number, because it is equal to n+sod(n) for n = 423330985 and 423331003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105832754 + ... + 105832757.

It is an arithmetic number, because the mean of its divisors is an integer number (158749134).

Almost surely, 2^423331022 is an apocalyptic number.

423331022 is a deficient number, since it is larger than the sum of its proper divisors (211665514).

423331022 is a wasteful number, since it uses less digits than its factorization.

423331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211665513.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 423331022 is about 20575.0096476284. The cubic root of 423331022 is about 750.8618371215.

Adding to 423331022 its reverse (220133324), we get a palindrome (643464346).

The spelling of 423331022 in words is "four hundred twenty-three million, three hundred thirty-one thousand, twenty-two".