22023028585 has 4 divisors (see below), whose sum is σ = 26427634308. Its totient is φ = 17618422864.

The previous prime is 22023028583. The next prime is 22023028597. The reversal of 22023028585 is 58582032022.

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 9850761001 + 12172267584 = 99251^2 + 110328^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023028585 - 2¹ = 22023028583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023028583) 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, 2202302854 + ... + 2202302863.

It is an arithmetic number, because the mean of its divisors is an integer number (6606908577).

Almost surely, 2^22023028585 is an apocalyptic number.

It is an amenable number.

22023028585 is a deficient number, since it is larger than the sum of its proper divisors (4404605723).

22023028585 is an equidigital number, since it uses as much as digits as its factorization.

22023028585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404605722.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 22023028585 in words is "twenty-two billion, twenty-three million, twenty-eight thousand, five hundred eighty-five".