22252641085 has 4 divisors (see below), whose sum is σ = 26703169308. Its totient is φ = 17802112864.

The previous prime is 22252641071. The next prime is 22252641097. The reversal of 22252641085 is 58014625222.

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 17518375449 + 4734265636 = 132357^2 + 68806^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252641085 - 2¹³ = 22252632893 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, 2225264104 + ... + 2225264113.

It is an arithmetic number, because the mean of its divisors is an integer number (6675792327).

Almost surely, 2^22252641085 is an apocalyptic number.

It is an amenable number.

22252641085 is a deficient number, since it is larger than the sum of its proper divisors (4450528223).

22252641085 is an equidigital number, since it uses as much as digits as its factorization.

22252641085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450528222.

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

The spelling of 22252641085 in words is "twenty-two billion, two hundred fifty-two million, six hundred forty-one thousand, eighty-five".