22201323243 has 16 divisors (see below), whose sum is σ = 33992457600. Its totient is φ = 12747170880.

The previous prime is 22201323197. The next prime is 22201323269. The reversal of 22201323243 is 34232310222.

It is not a de Polignac number, because 22201323243 - 2²⁶ = 22134214379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201323283) 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, 17703778 + ... + 17705031.

It is an arithmetic number, because the mean of its divisors is an integer number (2124528600).

Almost surely, 2^22201323243 is an apocalyptic number.

22201323243 is a deficient number, since it is larger than the sum of its proper divisors (11791134357).

22201323243 is a wasteful number, since it uses less digits than its factorization.

22201323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35408842.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22201323243 its reverse (34232310222), we get a palindrome (56433633465).

The spelling of 22201323243 in words is "twenty-two billion, two hundred one million, three hundred twenty-three thousand, two hundred forty-three".