2202202221949 has 2 divisors, whose sum is σ = 2202202221950. Its totient is φ = 2202202221948.

The previous prime is 2202202221889. The next prime is 2202202222019. The reversal of 2202202221949 is 9491222022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2038347277849 + 163854944100 = 1427707^2 + 404790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202202221949 - 2²³ = 2202193833341 is a prime.

It is a super-2 number, since 2×2202202221949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202202281949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101101110974 + 1101101110975.

It is an arithmetic number, because the mean of its divisors is an integer number (1101101110975).

Almost surely, 2^{2202202221949} is an apocalyptic number.

It is an amenable number.

2202202221949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202202221949 is an equidigital number, since it uses as much as digits as its factorization.

2202202221949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 2202202221949 in words is "two trillion, two hundred two billion, two hundred two million, two hundred twenty-one thousand, nine hundred forty-nine".