22256468 has 36 divisors (see below), whose sum is σ = 44587452. Its totient is φ = 9661440.

The previous prime is 22256453. The next prime is 22256471. The reversal of 22256468 is 86465222.

It can be written as a sum of positive squares in 6 ways, for example, as 91204 + 22165264 = 302^2 + 4708^2 .

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 11 ways as a sum of consecutive naturals, for example, 14288 + ... + 15768.

Almost surely, 2^22256468 is an apocalyptic number.

It is an amenable number.

22256468 is an abundant number, since it is smaller than the sum of its proper divisors (22330984).

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

22256468 is a wasteful number, since it uses less digits than its factorization.

22256468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1513 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 22256468 is about 4717.6761228384. The cubic root of 22256468 is about 281.2885676822.

The spelling of 22256468 in words is "twenty-two million, two hundred fifty-six thousand, four hundred sixty-eight".