22002002249 has 2 divisors, whose sum is σ = 22002002250. Its totient is φ = 22002002248.

The previous prime is 22002002227. The next prime is 22002002251. The reversal of 22002002249 is 94220020022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15227560000 + 6774442249 = 123400^2 + 82307^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002002249 - 2¹² = 22001998153 is a prime.

Together with 22002002251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22002002219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001001124 + 11001001125.

It is an arithmetic number, because the mean of its divisors is an integer number (11001001125).

Almost surely, 2^22002002249 is an apocalyptic number.

It is an amenable number.

22002002249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002002249 is an equidigital number, since it uses as much as digits as its factorization.

22002002249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 22002002249 in words is "twenty-two billion, two million, two thousand, two hundred forty-nine".