22224446689 has 2 divisors, whose sum is σ = 22224446690. Its totient is φ = 22224446688.

The previous prime is 22224446669. The next prime is 22224446707. The reversal of 22224446689 is 98664442222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12184406689 + 10040040000 = 110383^2 + 100200^2 .

It is a cyclic number.

It is not a de Polignac number, because 22224446689 - 2²¹ = 22222349537 is a prime.

It is a super-3 number, since 3×22224446689³ (a number of 32 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22224446639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112223344 + 11112223345.

It is an arithmetic number, because the mean of its divisors is an integer number (11112223345).

Almost surely, 2^22224446689 is an apocalyptic number.

It is an amenable number.

22224446689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224446689 is an equidigital number, since it uses as much as digits as its factorization.

22224446689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 49.

The spelling of 22224446689 in words is "twenty-two billion, two hundred twenty-four million, four hundred forty-six thousand, six hundred eighty-nine".