22426236243 has 12 divisors (see below), whose sum is σ = 32714180928. Its totient is φ = 14802795600.

The previous prime is 22426236229. The next prime is 22426236289. The reversal of 22426236243 is 34263262422.

22426236243 is a `hidden beast` number, since 2 + 2 + 4 + 2 + 6 + 23 + 624 + 3 = 666.

It is not a de Polignac number, because 22426236243 - 2⁸ = 22426235987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22426236198 and 22426236207.

It is not an unprimeable number, because it can be changed into a prime (22426238243) 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, 12334755 + ... + 12336572.

It is an arithmetic number, because the mean of its divisors is an integer number (2726181744).

Almost surely, 2^22426236243 is an apocalyptic number.

22426236243 is a deficient number, since it is larger than the sum of its proper divisors (10287944685).

22426236243 is a wasteful number, since it uses less digits than its factorization.

22426236243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24671434 (or 24671431 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 22426236243 its reverse (34263262422), we get a palindrome (56689498665).

The spelling of 22426236243 in words is "twenty-two billion, four hundred twenty-six million, two hundred thirty-six thousand, two hundred forty-three".