2221677 has 12 divisors (see below), whose sum is σ = 3313024. Its totient is φ = 1433160.

The previous prime is 2221673. The next prime is 2221699. The reversal of 2221677 is 7761222.

It is not a de Polignac number, because 2221677 - 2² = 2221673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3703 + ... + 4260.

2^2221677 is an apocalyptic number.

It is an amenable number.

2221677 is a deficient number, since it is larger than the sum of its proper divisors (1091347).

2221677 is a wasteful number, since it uses less digits than its factorization.

2221677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000 (or 7997 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2221677 is about 1490.5291006887. The cubic root of 2221677 is about 130.4849148018.

Adding to 2221677 its reverse (7761222), we get a palindrome (9982899).

The spelling of 2221677 in words is "two million, two hundred twenty-one thousand, six hundred seventy-seven".