2221468 has 12 divisors (see below), whose sum is σ = 3953880. Its totient is φ = 1091792.

The previous prime is 2221459. The next prime is 2221507. The reversal of 2221468 is 8641222.

It is a happy number.

2221468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4471 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (329490).

2^2221468 is an apocalyptic number.

It is an amenable number.

2221468 is a deficient number, since it is larger than the sum of its proper divisors (1732412).

2221468 is a wasteful number, since it uses less digits than its factorization.

2221468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476 (or 9474 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2221468 is about 1490.4589897075. The cubic root of 2221468 is about 130.4808229676.

The spelling of 2221468 in words is "two million, two hundred twenty-one thousand, four hundred sixty-eight".