22622331 has 8 divisors (see below), whose sum is σ = 31750720. Its totient is φ = 14287752.

The previous prime is 22622329. The next prime is 22622339. The reversal of 22622331 is 13322622.

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

It is not a de Polignac number, because 22622331 - 2¹ = 22622329 is a prime.

It is a super-2 number, since 2×22622331² = 1023539719747122, 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 = 22622298 and 22622307.

It is not an unprimeable number, because it can be changed into a prime (22622339) 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, 198385 + ... + 198498.

It is an arithmetic number, because the mean of its divisors is an integer number (3968840).

Almost surely, 2^22622331 is an apocalyptic number.

22622331 is a deficient number, since it is larger than the sum of its proper divisors (9128389).

22622331 is a wasteful number, since it uses less digits than its factorization.

22622331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396905.

The product of its digits is 864, while the sum is 21.

The square root of 22622331 is about 4756.2938302842. The cubic root of 22622331 is about 282.8215192285.

Adding to 22622331 its reverse (13322622), we get a palindrome (35944953).

The spelling of 22622331 in words is "twenty-two million, six hundred twenty-two thousand, three hundred thirty-one".