22264549 has 2 divisors, whose sum is σ = 22264550. Its totient is φ = 22264548.

The previous prime is 22264513. The next prime is 22264589. The reversal of 22264549 is 94546222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11175649 + 11088900 = 3343^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 22264549 - 2¹¹ = 22262501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22264589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132274 + 11132275.

It is an arithmetic number, because the mean of its divisors is an integer number (11132275).

Almost surely, 2^22264549 is an apocalyptic number.

It is an amenable number.

22264549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22264549 is an equidigital number, since it uses as much as digits as its factorization.

22264549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 22264549 is about 4718.5325049214. The cubic root of 22264549 is about 281.3226074927.

The spelling of 22264549 in words is "twenty-two million, two hundred sixty-four thousand, five hundred forty-nine".