22094729999 has 4 divisors (see below), whose sum is σ = 22176260640. Its totient is φ = 22013199360.

The previous prime is 22094729971. The next prime is 22094730001. The reversal of 22094729999 is 99992749022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99992749022 = 2 ⋅49996374511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22094729999 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 (22094729929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40764914 + ... + 40765455.

It is an arithmetic number, because the mean of its divisors is an integer number (5544065160).

Almost surely, 2^22094729999 is an apocalyptic number.

22094729999 is a deficient number, since it is larger than the sum of its proper divisors (81530641).

22094729999 is an equidigital number, since it uses as much as digits as its factorization.

22094729999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81530640.

The product of its (nonzero) digits is 13226976, while the sum is 62.

The spelling of 22094729999 in words is "twenty-two billion, ninety-four million, seven hundred twenty-nine thousand, nine hundred ninety-nine".