22550256 has 60 divisors (see below), whose sum is σ = 63593400. Its totient is φ = 7459200.

The previous prime is 22550251. The next prime is 22550261. The reversal of 22550256 is 65205522.

It is an interprime number because it is at equal distance from previous prime (22550251) and next prime (22550261).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550251) 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 11 ways as a sum of consecutive naturals, for example, 20931 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (1059890).

Almost surely, 2^22550256 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 22550256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31796700).

22550256 is an abundant number, since it is smaller than the sum of its proper divisors (41043144).

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

22550256 is a wasteful number, since it uses less digits than its factorization.

22550256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 22550256 is about 4748.7109829932. The cubic root of 22550256 is about 282.5208421723.

Adding to 22550256 its reverse (65205522), we get a palindrome (87755778).

The spelling of 22550256 in words is "twenty-two million, five hundred fifty thousand, two hundred fifty-six".