22550748 has 96 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 6397440.

The previous prime is 22550747. The next prime is 22550753. The reversal of 22550748 is 84705522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550743) 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 31 ways as a sum of consecutive naturals, for example, 164536 + ... + 164672.

It is an arithmetic number, because the mean of its divisors is an integer number (637560).

Almost surely, 2^22550748 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 22550748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30602880).

22550748 is an abundant number, since it is smaller than the sum of its proper divisors (38655012).

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

22550748 is a wasteful number, since it uses less digits than its factorization.

22550748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 22550748 is about 4748.7627862423. The cubic root of 22550748 is about 282.5228968311.

The spelling of 22550748 in words is "twenty-two million, five hundred fifty thousand, seven hundred forty-eight".