22433819 has 2 divisors, whose sum is σ = 22433820. Its totient is φ = 22433818.

The previous prime is 22433779. The next prime is 22433833. The reversal of 22433819 is 91833422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22433819 - 2⁸ = 22433563 is a prime.

It is a super-2 number, since 2×22433819² = 1006552469849522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22433839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11216909 + 11216910.

It is an arithmetic number, because the mean of its divisors is an integer number (11216910).

Almost surely, 2^22433819 is an apocalyptic number.

22433819 is a deficient number, since it is larger than the sum of its proper divisors (1).

22433819 is an equidigital number, since it uses as much as digits as its factorization.

22433819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 22433819 is about 4736.4352629377. The cubic root of 22433819 is about 282.0337425881.

It can be divided in two parts, 224 and 33819, that added together give a palindrome (34043).

The spelling of 22433819 in words is "twenty-two million, four hundred thirty-three thousand, eight hundred nineteen".