22421073643 has 2 divisors, whose sum is σ = 22421073644. Its totient is φ = 22421073642.

The previous prime is 22421073629. The next prime is 22421073683. The reversal of 22421073643 is 34637012422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22421073643 - 2³³ = 13831139051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22421073599 and 22421073608.

It is not a weakly prime, because it can be changed into another prime (22421073683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210536821 + 11210536822.

It is an arithmetic number, because the mean of its divisors is an integer number (11210536822).

Almost surely, 2^22421073643 is an apocalyptic number.

22421073643 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421073643 is an equidigital number, since it uses as much as digits as its factorization.

22421073643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 22421073643 in words is "twenty-two billion, four hundred twenty-one million, seventy-three thousand, six hundred forty-three".