22336819 has 4 divisors (see below), whose sum is σ = 22358896. Its totient is φ = 22314744.

The previous prime is 22336817. The next prime is 22336829. The reversal of 22336819 is 91863322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22336819 - 2¹ = 22336817 is a prime.

It is a super-2 number, since 2×22336819² = 997866966077522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22336817) 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, 9444 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (5589724).

Almost surely, 2^22336819 is an apocalyptic number.

22336819 is a deficient number, since it is larger than the sum of its proper divisors (22077).

22336819 is a wasteful number, since it uses less digits than its factorization.

22336819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22076.

The product of its digits is 15552, while the sum is 34.

The square root of 22336819 is about 4726.1844018193. The cubic root of 22336819 is about 281.6266667441.

The spelling of 22336819 in words is "twenty-two million, three hundred thirty-six thousand, eight hundred nineteen".