22426654898 has 18 divisors (see below), whose sum is σ = 35740943991. Its totient is φ = 10552025664.

The previous prime is 22426654897. The next prime is 22426654927. The reversal of 22426654898 is 89845662422.

It can be written as a sum of positive squares in 5 ways, for example, as 17563405729 + 4863249169 = 132527^2 + 69737^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105893.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22426654897) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3597248 + ... + 3603476.

Almost surely, 2^22426654898 is an apocalyptic number.

22426654898 is a deficient number, since it is larger than the sum of its proper divisors (13314289093).

22426654898 is an frugal number, since it uses more digits than its factorization.

22426654898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494 (or 6248 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 56.

The spelling of 22426654898 in words is "twenty-two billion, four hundred twenty-six million, six hundred fifty-four thousand, eight hundred ninety-eight".