22700995805 has 18 divisors (see below), whose sum is σ = 27907253406. Its totient is φ = 17727132528.

The previous prime is 22700995787. The next prime is 22700995813. The reversal of 22700995805 is 50859900722.

It can be written as a sum of positive squares in only one way, i.e., 18160796644 + 4540199161 = 134762^2 + 67381^2 .

It is not a de Polignac number, because 22700995805 - 2⁶ = 22700995741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22700995805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14486132 + ... + 14487698.

It is an arithmetic number, because the mean of its divisors is an integer number (1550402967).

Almost surely, 2^22700995805 is an apocalyptic number.

It is an amenable number.

22700995805 is a deficient number, since it is larger than the sum of its proper divisors (5206257601).

22700995805 is an frugal number, since it uses more digits than its factorization.

22700995805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 22700995805 in words is "twenty-two billion, seven hundred million, nine hundred ninety-five thousand, eight hundred five".