22514549 has 2 divisors, whose sum is σ = 22514550. Its totient is φ = 22514548.

The previous prime is 22514543. The next prime is 22514561. The reversal of 22514549 is 94541522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 255025 = 4718^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 22514549 - 2⁴ = 22514533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22514543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257274 + 11257275.

It is an arithmetic number, because the mean of its divisors is an integer number (11257275).

Almost surely, 2^22514549 is an apocalyptic number.

It is an amenable number.

22514549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22514549 is an equidigital number, since it uses as much as digits as its factorization.

22514549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 22514549 is about 4744.9498416738. The cubic root of 22514549 is about 282.3716450343.

The spelling of 22514549 in words is "twenty-two million, five hundred fourteen thousand, five hundred forty-nine".