2822247 has 6 divisors (see below), whose sum is σ = 4076592. Its totient is φ = 1881492.

The previous prime is 2822233. The next prime is 2822263. The reversal of 2822247 is 7422282.

It is not a de Polignac number, because 2822247 - 2⁸ = 2821991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2822247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156783 + ... + 156800.

It is an arithmetic number, because the mean of its divisors is an integer number (679432).

2^2822247 is an apocalyptic number.

2822247 is a deficient number, since it is larger than the sum of its proper divisors (1254345).

2822247 is a wasteful number, since it uses less digits than its factorization.

2822247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313589 (or 313586 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2822247 is about 1679.9544636686. The cubic root of 2822247 is about 141.3182790470.

The spelling of 2822247 in words is "two million, eight hundred twenty-two thousand, two hundred forty-seven".