2221683 has 4 divisors (see below), whose sum is σ = 2962248. Its totient is φ = 1481120.

The previous prime is 2221673. The next prime is 2221699. The reversal of 2221683 is 3861222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221683 - 2¹² = 2217587 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2221633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370278 + ... + 370283.

It is an arithmetic number, because the mean of its divisors is an integer number (740562).

2^2221683 is an apocalyptic number.

2221683 is a deficient number, since it is larger than the sum of its proper divisors (740565).

2221683 is an equidigital number, since it uses as much as digits as its factorization.

2221683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740564.

The product of its digits is 1152, while the sum is 24.

The square root of 2221683 is about 1490.5311133955. The cubic root of 2221683 is about 130.4850322670.

The spelling of 2221683 in words is "two million, two hundred twenty-one thousand, six hundred eighty-three".