22894221017 has 4 divisors (see below), whose sum is σ = 22894886820. Its totient is φ = 22893555216.

The previous prime is 22894221001. The next prime is 22894221041. The reversal of 22894221017 is 71012249822.

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 19493465161 + 3400755856 = 139619^2 + 58316^2 .

It is a cyclic number.

It is not a de Polignac number, because 22894221017 - 2⁴ = 22894221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22894221517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278342 + ... + 351087.

It is an arithmetic number, because the mean of its divisors is an integer number (5723721705).

Almost surely, 2^22894221017 is an apocalyptic number.

It is an amenable number.

22894221017 is a deficient number, since it is larger than the sum of its proper divisors (665803).

22894221017 is an equidigital number, since it uses as much as digits as its factorization.

22894221017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665802.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 22894221017 in words is "twenty-two billion, eight hundred ninety-four million, two hundred twenty-one thousand, seventeen".