22052549 has 2 divisors, whose sum is σ = 22052550. Its totient is φ = 22052548.

The previous prime is 22052543. The next prime is 22052551. The reversal of 22052549 is 94525022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21224449 + 828100 = 4607^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052549 - 2⁴ = 22052533 is a prime.

Together with 22052551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22052543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026274 + 11026275.

It is an arithmetic number, because the mean of its divisors is an integer number (11026275).

Almost surely, 2^22052549 is an apocalyptic number.

It is an amenable number.

22052549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052549 is an equidigital number, since it uses as much as digits as its factorization.

22052549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 22052549 is about 4696.0141609667. The cubic root of 22052549 is about 280.4268531937.

The spelling of 22052549 in words is "twenty-two million, fifty-two thousand, five hundred forty-nine".