22456667889 has 12 divisors (see below), whose sum is σ = 32501903616. Its totient is φ = 14941345272.

The previous prime is 22456667861. The next prime is 22456667903. The reversal of 22456667889 is 98876665422.

It is not a de Polignac number, because 22456667889 - 2¹³ = 22456659697 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22456667819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2475777 + ... + 2484830.

It is an arithmetic number, because the mean of its divisors is an integer number (2708491968).

Almost surely, 2^22456667889 is an apocalyptic number.

It is an amenable number.

22456667889 is a deficient number, since it is larger than the sum of its proper divisors (10045235727).

22456667889 is a wasteful number, since it uses less digits than its factorization.

22456667889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961116 (or 4961113 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 22456667889 in words is "twenty-two billion, four hundred fifty-six million, six hundred sixty-seven thousand, eight hundred eighty-nine".