22126823 has 2 divisors, whose sum is σ = 22126824. Its totient is φ = 22126822.

The previous prime is 22126813. The next prime is 22126831. The reversal of 22126823 is 32862122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22126823 - 2⁴ = 22126807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22126792 and 22126801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22126813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11063411 + 11063412.

It is an arithmetic number, because the mean of its divisors is an integer number (11063412).

Almost surely, 2^22126823 is an apocalyptic number.

22126823 is a deficient number, since it is larger than the sum of its proper divisors (1).

22126823 is an equidigital number, since it uses as much as digits as its factorization.

22126823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 22126823 is about 4703.9157092788. The cubic root of 22126823 is about 280.7413305821.

Adding to 22126823 its reverse (32862122), we get a palindrome (54988945).

The spelling of 22126823 in words is "twenty-two million, one hundred twenty-six thousand, eight hundred twenty-three".