22443434399 has 16 divisors (see below), whose sum is σ = 23811671520. Its totient is φ = 21116067840.

The previous prime is 22443434389. The next prime is 22443434401. The reversal of 22443434399 is 99343434422.

It is a cyclic number.

It is not a de Polignac number, because 22443434399 - 2¹⁶ = 22443368863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443434329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039199 + ... + 1060575.

It is an arithmetic number, because the mean of its divisors is an integer number (1488229470).

Almost surely, 2^22443434399 is an apocalyptic number.

22443434399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22443434399 is a deficient number, since it is larger than the sum of its proper divisors (1368237121).

22443434399 is a wasteful number, since it uses less digits than its factorization.

22443434399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22330.

The product of its digits is 2239488, while the sum is 47.

The spelling of 22443434399 in words is "twenty-two billion, four hundred forty-three million, four hundred thirty-four thousand, three hundred ninety-nine".