22802660809 has 4 divisors (see below), whose sum is σ = 22824153540. Its totient is φ = 22781168080.

The previous prime is 22802660789. The next prime is 22802660873. The reversal of 22802660809 is 90806620822.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17151831225 + 5650829584 = 130965^2 + 75172^2 .

It is a cyclic number.

It is not a de Polignac number, because 22802660809 - 2¹⁵ = 22802628041 is a prime.

It is a super-2 number, since 2×22802660809² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22802690809) 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, 10744774 + ... + 10746895.

It is an arithmetic number, because the mean of its divisors is an integer number (5706038385).

Almost surely, 2^22802660809 is an apocalyptic number.

It is an amenable number.

22802660809 is a deficient number, since it is larger than the sum of its proper divisors (21492731).

22802660809 is a wasteful number, since it uses less digits than its factorization.

22802660809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21492730.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 22802660809 in words is "twenty-two billion, eight hundred two million, six hundred sixty thousand, eight hundred nine".