22626450647 has 2 divisors, whose sum is σ = 22626450648. Its totient is φ = 22626450646.

The previous prime is 22626450631. The next prime is 22626450697. The reversal of 22626450647 is 74605462622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22626450647 - 2⁴ = 22626450631 is a prime.

It is a super-2 number, since 2×22626450647² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22626450598 and 22626450607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22626450697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313225323 + 11313225324.

It is an arithmetic number, because the mean of its divisors is an integer number (11313225324).

Almost surely, 2^22626450647 is an apocalyptic number.

22626450647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22626450647 is an equidigital number, since it uses as much as digits as its factorization.

22626450647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 22626450647 in words is "twenty-two billion, six hundred twenty-six million, four hundred fifty thousand, six hundred forty-seven".