422222331 has 8 divisors (see below), whose sum is σ = 563068240. Its totient is φ = 281428992.

The previous prime is 422222299. The next prime is 422222341. The reversal of 422222331 is 133222224.

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

It is not a de Polignac number, because 422222331 - 2⁵ = 422222299 is a prime.

It is a super-2 number, since 2×422222331² = 356543393590147122, 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 = 422222298 and 422222307.

It is not an unprimeable number, because it can be changed into a prime (422222341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13071 + ... + 31863.

It is an arithmetic number, because the mean of its divisors is an integer number (70383530).

Almost surely, 2^422222331 is an apocalyptic number.

422222331 is a deficient number, since it is larger than the sum of its proper divisors (140845909).

422222331 is a wasteful number, since it uses less digits than its factorization.

422222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26285.

The product of its digits is 1152, while the sum is 21.

The square root of 422222331 is about 20548.0493234759. The cubic root of 422222331 is about 750.2057693179.

Adding to 422222331 its reverse (133222224), we get a palindrome (555444555).

The spelling of 422222331 in words is "four hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty-one".