2221064 has 16 divisors (see below), whose sum is σ = 4345920. Its totient is φ = 1062160.

The previous prime is 2221061. The next prime is 2221069. The reversal of 2221064 is 4601222.

It is not an unprimeable number, because it can be changed into a prime (2221061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5852 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (271620).

2^2221064 is an apocalyptic number.

It is an amenable number.

2221064 is a deficient number, since it is larger than the sum of its proper divisors (2124856).

2221064 is a wasteful number, since it uses less digits than its factorization.

2221064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100 (or 12096 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221064 is about 1490.3234548245. The cubic root of 2221064 is about 130.4729126655.

Adding to 2221064 its reverse (4601222), we get a palindrome (6822286).

The spelling of 2221064 in words is "two million, two hundred twenty-one thousand, sixty-four".