22022565365 has 4 divisors (see below), whose sum is σ = 26427078444. Its totient is φ = 17618052288.

The previous prime is 22022565359. The next prime is 22022565377. The reversal of 22022565365 is 56356522022.

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 4210192996 + 17812372369 = 64886^2 + 133463^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022565365 - 2¹² = 22022561269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202256532 + ... + 2202256541.

It is an arithmetic number, because the mean of its divisors is an integer number (6606769611).

Almost surely, 2^22022565365 is an apocalyptic number.

It is an amenable number.

22022565365 is a deficient number, since it is larger than the sum of its proper divisors (4404513079).

22022565365 is an equidigital number, since it uses as much as digits as its factorization.

22022565365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404513078.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 22022565365 in words is "twenty-two billion, twenty-two million, five hundred sixty-five thousand, three hundred sixty-five".