22214747491 has 2 divisors, whose sum is σ = 22214747492. Its totient is φ = 22214747490.

The previous prime is 22214747459. The next prime is 22214747657. The reversal of 22214747491 is 19474741222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22214747491 - 2⁵ = 22214747459 is a prime.

It is not a weakly prime, because it can be changed into another prime (22214747411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107373745 + 11107373746.

It is an arithmetic number, because the mean of its divisors is an integer number (11107373746).

Almost surely, 2^22214747491 is an apocalyptic number.

22214747491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214747491 is an equidigital number, since it uses as much as digits as its factorization.

22214747491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The spelling of 22214747491 in words is "twenty-two billion, two hundred fourteen million, seven hundred forty-seven thousand, four hundred ninety-one".