3122247 has 4 divisors (see below), whose sum is σ = 4163000. Its totient is φ = 2081496.

The previous prime is 3122233. The next prime is 3122261. The reversal of 3122247 is 7422213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7422213 = 3 ⋅2474071.

It is an interprime number because it is at equal distance from previous prime (3122233) and next prime (3122261).

It is not a de Polignac number, because 3122247 - 2⁶ = 3122183 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122347) 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, 520372 + ... + 520377.

It is an arithmetic number, because the mean of its divisors is an integer number (1040750).

Almost surely, 2^3122247 is an apocalyptic number.

3122247 is a deficient number, since it is larger than the sum of its proper divisors (1040753).

3122247 is a wasteful number, since it uses less digits than its factorization.

3122247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040752.

The product of its digits is 672, while the sum is 21.

The square root of 3122247 is about 1766.9881154099. The cubic root of 3122247 is about 146.1579419195.

The spelling of 3122247 in words is "three million, one hundred twenty-two thousand, two hundred forty-seven".