1222677 has 12 divisors (see below), whose sum is σ = 1791244. Its totient is φ = 803520.

The previous prime is 1222667. The next prime is 1222679. The reversal of 1222677 is 7762221.

It can be written as a sum of positive squares in 2 ways, for example, as 224676 + 998001 = 474^2 + 999^2 .

It is not a de Polignac number, because 1222677 - 2¹⁰ = 1221653 is a prime.

It is a Duffinian number.

1222677 is a lucky number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1222677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222679) 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, 274 + ... + 1587.

2^1222677 is an apocalyptic number.

It is an amenable number.

1222677 is a deficient number, since it is larger than the sum of its proper divisors (568567).

1222677 is a wasteful number, since it uses less digits than its factorization.

1222677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1937 counting only the distinct ones).

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

The square root of 1222677 is about 1105.7472586446. The cubic root of 1222677 is about 106.9310704039.

Adding to 1222677 its reverse (7762221), we get a palindrome (8984898).

The spelling of 1222677 in words is "one million, two hundred twenty-two thousand, six hundred seventy-seven".