22724441 has 2 divisors, whose sum is σ = 22724442. Its totient is φ = 22724440.

The previous prime is 22724431. The next prime is 22724467. The reversal of 22724441 is 14442722.

It is an a-pointer prime, because the next prime (22724467) can be obtained adding 22724441 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17884441 + 4840000 = 4229^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 22724441 - 2¹⁰ = 22723417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22724441.

It is not a weakly prime, because it can be changed into another prime (22724431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11362220 + 11362221.

It is an arithmetic number, because the mean of its divisors is an integer number (11362221).

Almost surely, 2^22724441 is an apocalyptic number.

It is an amenable number.

22724441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22724441 is an equidigital number, since it uses as much as digits as its factorization.

22724441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 26.

The square root of 22724441 is about 4767.0159429144. The cubic root of 22724441 is about 283.2464027045.

The spelling of 22724441 in words is "twenty-two million, seven hundred twenty-four thousand, four hundred forty-one".