22259549 has 8 divisors (see below), whose sum is σ = 24009720. Its totient is φ = 20514816.

The previous prime is 22259527. The next prime is 22259551. The reversal of 22259549 is 94595222.

It can be written as a sum of positive squares in 4 ways, for example, as 3276100 + 18983449 = 1810^2 + 4357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22259549 - 2¹⁶ = 22194013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22259249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12269 + ... + 13965.

It is an arithmetic number, because the mean of its divisors is an integer number (3001215).

Almost surely, 2^22259549 is an apocalyptic number.

It is an amenable number.

22259549 is a deficient number, since it is larger than the sum of its proper divisors (1750171).

22259549 is a wasteful number, since it uses less digits than its factorization.

22259549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its digits is 64800, while the sum is 38.

The square root of 22259549 is about 4718.0026494270. The cubic root of 22259549 is about 281.3015468319.

The spelling of 22259549 in words is "twenty-two million, two hundred fifty-nine thousand, five hundred forty-nine".