3122289 has 27 divisors (see below), whose sum is σ = 4918329. Its totient is φ = 1908360.

The previous prime is 3122281. The next prime is 3122299. The reversal of 3122289 is 9822213.

It is a happy number.

The square root of 3122289 is 1767.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3122289 - 2³ = 3122281 is a prime.

3122289 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3122281) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 100704 + ... + 100734.

Almost surely, 2^3122289 is an apocalyptic number.

3122289 is the 1767-th square number.

3122289 is the 884-th centered octagonal number.

It is an amenable number.

3122289 is a deficient number, since it is larger than the sum of its proper divisors (1796040).

3122289 is a wasteful number, since it uses less digits than its factorization.

3122289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 53 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The cubic root of 3122289 is about 146.1585972814.

It can be divided in two parts, 312 and 2289, that added together give a square (2601 = 51²).

The spelling of 3122289 in words is "three million, one hundred twenty-two thousand, two hundred eighty-nine".