22443452913 has 16 divisors (see below), whose sum is σ = 34779202560. Its totient is φ = 12607459536.

The previous prime is 22443452873. The next prime is 22443452917. The reversal of 22443452913 is 31925434422.

It is not a de Polignac number, because 22443452913 - 2¹⁷ = 22443321841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22443452917) 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, 9055845 + ... + 9058322.

It is an arithmetic number, because the mean of its divisors is an integer number (2173700160).

Almost surely, 2^22443452913 is an apocalyptic number.

It is an amenable number.

22443452913 is a deficient number, since it is larger than the sum of its proper divisors (12335749647).

22443452913 is a wasteful number, since it uses less digits than its factorization.

22443452913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114236.

The product of its digits is 207360, while the sum is 39.

The spelling of 22443452913 in words is "twenty-two billion, four hundred forty-three million, four hundred fifty-two thousand, nine hundred thirteen".