22248086989 has 4 divisors (see below), whose sum is σ = 22468365180. Its totient is φ = 22027808800.

The previous prime is 22248086929. The next prime is 22248086999. The reversal of 22248086989 is 98968084222.

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 10025015625 + 12223071364 = 100125^2 + 110558^2 .

It is a cyclic number.

It is not a de Polignac number, because 22248086989 - 2⁹ = 22248086477 is a prime.

It is a super-2 number, since 2×22248086989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248086909) 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, 110138944 + ... + 110139145.

It is an arithmetic number, because the mean of its divisors is an integer number (5617091295).

Almost surely, 2^22248086989 is an apocalyptic number.

It is an amenable number.

22248086989 is a deficient number, since it is larger than the sum of its proper divisors (220278191).

22248086989 is a wasteful number, since it uses less digits than its factorization.

22248086989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220278190.

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 22248086989 in words is "twenty-two billion, two hundred forty-eight million, eighty-six thousand, nine hundred eighty-nine".