22240468 has 6 divisors (see below), whose sum is σ = 38920826. Its totient is φ = 11120232.

The previous prime is 22240457. The next prime is 22240499. The reversal of 22240468 is 86404222.

It can be written as a sum of positive squares in only one way, i.e., 19377604 + 2862864 = 4402^2 + 1692^2 .

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 as a sum of consecutive naturals, namely, 2780055 + ... + 2780062.

Almost surely, 2^22240468 is an apocalyptic number.

It is an amenable number.

22240468 is a deficient number, since it is larger than the sum of its proper divisors (16680358).

22240468 is a wasteful number, since it uses less digits than its factorization.

22240468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560121 (or 5560119 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 22240468 is about 4715.9800678120. The cubic root of 22240468 is about 281.2211461428.

The spelling of 22240468 in words is "twenty-two million, two hundred forty thousand, four hundred sixty-eight".