22206245771 has 2 divisors, whose sum is σ = 22206245772. Its totient is φ = 22206245770.

The previous prime is 22206245759. The next prime is 22206245813. The reversal of 22206245771 is 17754260222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22206245771 - 2¹⁴ = 22206229387 is a prime.

It is not a weakly prime, because it can be changed into another prime (22206245741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11103122885 + 11103122886.

It is an arithmetic number, because the mean of its divisors is an integer number (11103122886).

Almost surely, 2^22206245771 is an apocalyptic number.

22206245771 is a deficient number, since it is larger than the sum of its proper divisors (1).

22206245771 is an equidigital number, since it uses as much as digits as its factorization.

22206245771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 22206245771 in words is "twenty-two billion, two hundred six million, two hundred forty-five thousand, seven hundred seventy-one".