22134642243 has 64 divisors (see below), whose sum is σ = 36668298240. Its totient is φ = 11587276800.

The previous prime is 22134642239. The next prime is 22134642253. The reversal of 22134642243 is 34224643122.

It is not a de Polignac number, because 22134642243 - 2² = 22134642239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22134642223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7448748 + ... + 7451718.

It is an arithmetic number, because the mean of its divisors is an integer number (572942160).

Almost surely, 2^22134642243 is an apocalyptic number.

22134642243 is a deficient number, since it is larger than the sum of its proper divisors (14533655997).

22134642243 is a wasteful number, since it uses less digits than its factorization.

22134642243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548.

The product of its digits is 55296, while the sum is 33.

The spelling of 22134642243 in words is "twenty-two billion, one hundred thirty-four million, six hundred forty-two thousand, two hundred forty-three".