22400284889 has 8 divisors (see below), whose sum is σ = 23732189640. Its totient is φ = 21069962496.

The previous prime is 22400284877. The next prime is 22400284901. The reversal of 22400284889 is 98848200422.

It is an interprime number because it is at equal distance from previous prime (22400284877) and next prime (22400284901).

It can be written as a sum of positive squares in 4 ways, for example, as 3553113664 + 18847171225 = 59608^2 + 137285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22400284889 - 2⁸ = 22400284633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400284849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366374 + ... + 423119.

It is an arithmetic number, because the mean of its divisors is an integer number (2966523705).

Almost surely, 2^22400284889 is an apocalyptic number.

It is an amenable number.

22400284889 is a deficient number, since it is larger than the sum of its proper divisors (1331904751).

22400284889 is a wasteful number, since it uses less digits than its factorization.

22400284889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791179.

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 22400284889 in words is "twenty-two billion, four hundred million, two hundred eighty-four thousand, eight hundred eighty-nine".