422013331 has 4 divisors (see below), whose sum is σ = 424701472. Its totient is φ = 419325192.

The previous prime is 422013301. The next prime is 422013349. The reversal of 422013331 is 133310224.

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 422013331 - 2⁵ = 422013299 is a prime.

It is a super-2 number, since 2×422013331² = 356190503083431122, 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 = 422013299 and 422013308.

It is not an unprimeable number, because it can be changed into a prime (422013301) 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, 1343835 + ... + 1344148.

It is an arithmetic number, because the mean of its divisors is an integer number (106175368).

Almost surely, 2^422013331 is an apocalyptic number.

422013331 is a deficient number, since it is larger than the sum of its proper divisors (2688141).

422013331 is a wasteful number, since it uses less digits than its factorization.

422013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688140.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 422013331 is about 20542.9630530749. The cubic root of 422013331 is about 750.0819649679.

Adding to 422013331 its reverse (133310224), we get a palindrome (555323555).

The spelling of 422013331 in words is "four hundred twenty-two million, thirteen thousand, three hundred thirty-one".