22214645693 has 2 divisors, whose sum is σ = 22214645694. Its totient is φ = 22214645692.

The previous prime is 22214645689. The next prime is 22214645723. The reversal of 22214645693 is 39654641222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17924657689 + 4289988004 = 133883^2 + 65498^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214645693 - 2² = 22214645689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22214642693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107322846 + 11107322847.

It is an arithmetic number, because the mean of its divisors is an integer number (11107322847).

Almost surely, 2^22214645693 is an apocalyptic number.

It is an amenable number.

22214645693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214645693 is an equidigital number, since it uses as much as digits as its factorization.

22214645693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The spelling of 22214645693 in words is "twenty-two billion, two hundred fourteen million, six hundred forty-five thousand, six hundred ninety-three".