22422331 has 8 divisors (see below), whose sum is σ = 23200128. Its totient is φ = 21648000.

The previous prime is 22422329. The next prime is 22422347. The reversal of 22422331 is 13322422.

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

It is a cyclic number.

It is not a de Polignac number, because 22422331 - 2¹ = 22422329 is a prime.

It is a super-2 number, since 2×22422331² = 1005521854947122, 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 = 22422299 and 22422308.

It is not an unprimeable number, because it can be changed into a prime (22422311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25011 + ... + 25891.

It is an arithmetic number, because the mean of its divisors is an integer number (2900016).

Almost surely, 2^22422331 is an apocalyptic number.

22422331 is a deficient number, since it is larger than the sum of its proper divisors (777797).

22422331 is an equidigital number, since it uses as much as digits as its factorization.

22422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its digits is 576, while the sum is 19.

The square root of 22422331 is about 4735.2223812615. Note that the first 3 decimals coincide. The cubic root of 22422331 is about 281.9855927116.

Adding to 22422331 its reverse (13322422), we get a palindrome (35744753).

Subtracting from 22422331 its reverse (13322422), we obtain a palindrome (9099909).

The spelling of 22422331 in words is "twenty-two million, four hundred twenty-two thousand, three hundred thirty-one".