12202226549 has 2 divisors, whose sum is σ = 12202226550. Its totient is φ = 12202226548.

The previous prime is 12202226489. The next prime is 12202226581. The reversal of 12202226549 is 94562220221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9681182449 + 2521044100 = 98393^2 + 50210^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202226549 - 2²⁰ = 12201177973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202226249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101113274 + 6101113275.

It is an arithmetic number, because the mean of its divisors is an integer number (6101113275).

Almost surely, 2^12202226549 is an apocalyptic number.

It is an amenable number.

12202226549 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202226549 is an equidigital number, since it uses as much as digits as its factorization.

12202226549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12202226549 in words is "twelve billion, two hundred two million, two hundred twenty-six thousand, five hundred forty-nine".