22221303424249 has 2 divisors, whose sum is σ = 22221303424250. Its totient is φ = 22221303424248.

The previous prime is 22221303424241. The next prime is 22221303424457. The reversal of 22221303424249 is 94242430312222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19017317983225 + 3203985441024 = 4360885^2 + 1789968^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221303424249 - 2³ = 22221303424241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221303424241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110651712124 + 11110651712125.

It is an arithmetic number, because the mean of its divisors is an integer number (11110651712125).

Almost surely, 2^{22221303424249} is an apocalyptic number.

It is an amenable number.

22221303424249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221303424249 is an equidigital number, since it uses as much as digits as its factorization.

22221303424249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 22221303424249 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred three million, four hundred twenty-four thousand, two hundred forty-nine".