22548036 has 72 divisors (see below), whose sum is σ = 63227136. Its totient is φ = 6229440.

The previous prime is 22548023. The next prime is 22548037. The reversal of 22548036 is 63084522.

It is a junction number, because it is equal to n+sod(n) for n = 22547994 and 22548012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22548037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17610 + ... + 18846.

Almost surely, 2^22548036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22548036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31613568).

22548036 is an abundant number, since it is smaller than the sum of its proper divisors (40679100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22548036 is a wasteful number, since it uses less digits than its factorization.

22548036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22548036 is about 4748.4772295969. The cubic root of 22548036 is about 282.5115707794.

The spelling of 22548036 in words is "twenty-two million, five hundred forty-eight thousand, thirty-six".