22460256 has 144 divisors (see below), whose sum is σ = 78702624. Its totient is φ = 5916672.

The previous prime is 22460237. The next prime is 22460293. The reversal of 22460256 is 65206422.

22460256 is a `hidden beast` number, since 2 + 2 + 4 + 602 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25780 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (546546).

Almost surely, 2^22460256 is an apocalyptic number.

22460256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22460256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39351312).

22460256 is an abundant number, since it is smaller than the sum of its proper divisors (56242368).

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

22460256 is a wasteful number, since it uses less digits than its factorization.

22460256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22460256 is about 4739.2252531400. The cubic root of 22460256 is about 282.1444860910.

Adding to 22460256 its reverse (65206422), we get a palindrome (87666678).

The spelling of 22460256 in words is "twenty-two million, four hundred sixty thousand, two hundred fifty-six".