22097697843 has 32 divisors (see below), whose sum is σ = 33619622400. Its totient is φ = 12789858816.

The previous prime is 22097697829. The next prime is 22097697859. The reversal of 22097697843 is 34879679022.

It is not a de Polignac number, because 22097697843 - 2²¹ = 22095600691 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22097697803) 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 31 ways as a sum of consecutive naturals, for example, 1022928 + ... + 1044306.

It is an arithmetic number, because the mean of its divisors is an integer number (1050613200).

Almost surely, 2^22097697843 is an apocalyptic number.

22097697843 is a deficient number, since it is larger than the sum of its proper divisors (11521924557).

22097697843 is a wasteful number, since it uses less digits than its factorization.

22097697843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22971.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 22097697843 in words is "twenty-two billion, ninety-seven million, six hundred ninety-seven thousand, eight hundred forty-three".