22530849 has 16 divisors (see below), whose sum is σ = 32919744. Its totient is φ = 13593600.

The previous prime is 22530847. The next prime is 22530857. The reversal of 22530849 is 94803522.

It is a happy number.

It is not a de Polignac number, because 22530849 - 2¹ = 22530847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22530847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (2057484).

Almost surely, 2^22530849 is an apocalyptic number.

It is an amenable number.

22530849 is a deficient number, since it is larger than the sum of its proper divisors (10388895).

22530849 is a wasteful number, since it uses less digits than its factorization.

22530849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 22530849 is about 4746.6671465356. The cubic root of 22530849 is about 282.4397720563.

The spelling of 22530849 in words is "twenty-two million, five hundred thirty thousand, eight hundred forty-nine".