22250748 has 48 divisors (see below), whose sum is σ = 58862720. Its totient is φ = 6485184.

The previous prime is 22250747. The next prime is 22250749. The reversal of 22250748 is 84705222.

It is an interprime number because it is at equal distance from previous prime (22250747) and next prime (22250749).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250747) 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, 790 + ... + 6717.

Almost surely, 2^22250748 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 22250748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29431360).

22250748 is an abundant number, since it is smaller than the sum of its proper divisors (36611972).

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

22250748 is a wasteful number, since it uses less digits than its factorization.

22250748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546 (or 7544 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 22250748 is about 4717.0698532034. The cubic root of 22250748 is about 281.2644681940.

The spelling of 22250748 in words is "twenty-two million, two hundred fifty thousand, seven hundred forty-eight".