22285549 has 16 divisors (see below), whose sum is σ = 26457984. Its totient is φ = 18504000.

The previous prime is 22285541. The next prime is 22285561. The reversal of 22285549 is 94558222.

It is a cyclic number.

It is not a de Polignac number, because 22285549 - 2³ = 22285541 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 (22285541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13672 + ... + 15214.

It is an arithmetic number, because the mean of its divisors is an integer number (1653624).

Almost surely, 2^22285549 is an apocalyptic number.

It is an amenable number.

22285549 is a deficient number, since it is larger than the sum of its proper divisors (4172435).

22285549 is a wasteful number, since it uses less digits than its factorization.

22285549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 57600, while the sum is 37.

The square root of 22285549 is about 4720.7572485778. The cubic root of 22285549 is about 281.4110278528.

It can be divided in two parts, 2228 and 5549, that added together give a palindrome (7777).

The spelling of 22285549 in words is "twenty-two million, two hundred eighty-five thousand, five hundred forty-nine".