2822397 has 16 divisors (see below), whose sum is σ = 3954432. Its totient is φ = 1788480.

The previous prime is 2822387. The next prime is 2822411. The reversal of 2822397 is 7932282.

It is not a de Polignac number, because 2822397 - 2⁴ = 2822381 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 8⁷ + 2¹⁷ + 2¹⁹ + 3⁵ + 9⁵ + 7⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4947 + ... + 5487.

It is an arithmetic number, because the mean of its divisors is an integer number (247152).

2^2822397 is an apocalyptic number.

It is an amenable number.

2822397 is a deficient number, since it is larger than the sum of its proper divisors (1132035).

2822397 is a wasteful number, since it uses less digits than its factorization.

2822397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its digits is 12096, while the sum is 33.

The square root of 2822397 is about 1679.9991071426. Note that the first 3 decimals coincide. The cubic root of 2822397 is about 141.3207826510.

The spelling of 2822397 in words is "two million, eight hundred twenty-two thousand, three hundred ninety-seven".