22224823 has 2 divisors, whose sum is σ = 22224824. Its totient is φ = 22224822.

The previous prime is 22224793. The next prime is 22224847. The reversal of 22224823 is 32842222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22224823 - 2⁹ = 22224311 is a prime.

It is a super-3 number, since 3×22224823³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22224883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112411 + 11112412.

It is an arithmetic number, because the mean of its divisors is an integer number (11112412).

Almost surely, 2^22224823 is an apocalyptic number.

22224823 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224823 is an equidigital number, since it uses as much as digits as its factorization.

22224823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 22224823 is about 4714.3210539801. The cubic root of 22224823 is about 281.1551892441.

The spelling of 22224823 in words is "twenty-two million, two hundred twenty-four thousand, eight hundred twenty-three".