2522347 has 4 divisors (see below), whose sum is σ = 2542336. Its totient is φ = 2502360.

The previous prime is 2522329. The next prime is 2522357. The reversal of 2522347 is 7432252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2522347 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁸ + 2²⁰ + 2²⁰ + 3⁶ + 4⁵ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522357) 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, 9804 + ... + 10057.

It is an arithmetic number, because the mean of its divisors is an integer number (635584).

2^2522347 is an apocalyptic number.

2522347 is a deficient number, since it is larger than the sum of its proper divisors (19989).

2522347 is a wasteful number, since it uses less digits than its factorization.

2522347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988.

The product of its digits is 3360, while the sum is 25.

The square root of 2522347 is about 1588.1898501124. The cubic root of 2522347 is about 136.1240757824.

Adding to 2522347 its reverse (7432252), we get a palindrome (9954599).

The spelling of 2522347 in words is "two million, five hundred twenty-two thousand, three hundred forty-seven".