22549846 has 32 divisors (see below), whose sum is σ = 39427200. Its totient is φ = 9564480.

The previous prime is 22549829. The next prime is 22549847. The reversal of 22549846 is 64894522.

It is a junction number, because it is equal to n+sod(n) for n = 22549799 and 22549808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30145 + ... + 30883.

It is an arithmetic number, because the mean of its divisors is an integer number (1232100).

Almost surely, 2^22549846 is an apocalyptic number.

22549846 is a deficient number, since it is larger than the sum of its proper divisors (16877354).

22549846 is a wasteful number, since it uses less digits than its factorization.

22549846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its digits is 138240, while the sum is 40.

The square root of 22549846 is about 4748.6678131872. The cubic root of 22549846 is about 282.5191299338.

It can be divided in two parts, 2254 and 9846, that added together give a square (12100 = 110²).

The spelling of 22549846 in words is "twenty-two million, five hundred forty-nine thousand, eight hundred forty-six".