22241749 has 2 divisors, whose sum is σ = 22241750. Its totient is φ = 22241748.

The previous prime is 22241731. The next prime is 22241767. The reversal of 22241749 is 94714222.

It is a balanced prime because it is at equal distance from previous prime (22241731) and next prime (22241767).

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 8514724 = 3705^2 + 2918^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241749 - 2⁹ = 22241237 is a prime.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 22241749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22241249) 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, 11120874 + 11120875.

It is an arithmetic number, because the mean of its divisors is an integer number (11120875).

Almost surely, 2^22241749 is an apocalyptic number.

It is an amenable number.

22241749 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241749 is an equidigital number, since it uses as much as digits as its factorization.

22241749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 22241749 is about 4716.1158806798. The cubic root of 22241749 is about 281.2265452704.

The spelling of 22241749 in words is "twenty-two million, two hundred forty-one thousand, seven hundred forty-nine".