22126233 has 4 divisors (see below), whose sum is σ = 29501648. Its totient is φ = 14750820.

The previous prime is 22126229. The next prime is 22126261. The reversal of 22126233 is 33262122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22126233 - 2² = 22126229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22106233) 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 3 ways as a sum of consecutive naturals, for example, 3687703 + ... + 3687708.

It is an arithmetic number, because the mean of its divisors is an integer number (7375412).

Almost surely, 2^22126233 is an apocalyptic number.

It is an amenable number.

22126233 is a deficient number, since it is larger than the sum of its proper divisors (7375415).

22126233 is an equidigital number, since it uses as much as digits as its factorization.

22126233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375414.

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

The square root of 22126233 is about 4703.8529951520. The cubic root of 22126233 is about 280.7388352871.

Adding to 22126233 its reverse (33262122), we get a palindrome (55388355).

The spelling of 22126233 in words is "twenty-two million, one hundred twenty-six thousand, two hundred thirty-three".