22722864811 has 4 divisors (see below), whose sum is σ = 22867596592. Its totient is φ = 22578133032.

The previous prime is 22722864781. The next prime is 22722864859. The reversal of 22722864811 is 11846822722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22722864811 - 2¹⁹ = 22722340523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22722864911) 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, 72365655 + ... + 72365968.

It is an arithmetic number, because the mean of its divisors is an integer number (5716899148).

Almost surely, 2^22722864811 is an apocalyptic number.

22722864811 is a deficient number, since it is larger than the sum of its proper divisors (144731781).

22722864811 is a wasteful number, since it uses less digits than its factorization.

22722864811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144731780.

The product of its digits is 172032, while the sum is 43.

The spelling of 22722864811 in words is "twenty-two billion, seven hundred twenty-two million, eight hundred sixty-four thousand, eight hundred eleven".