2522147 has 2 divisors, whose sum is σ = 2522148. Its totient is φ = 2522146.

The previous prime is 2522119. The next prime is 2522189. The reversal of 2522147 is 7412252.

It is a happy number.

2522147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2522147 is a prime.

It is a super-2 number, since 2×2522147² = 12722450979218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2522447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261073 + 1261074.

It is an arithmetic number, because the mean of its divisors is an integer number (1261074).

2^2522147 is an apocalyptic number.

2522147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522147 is an equidigital number, since it uses as much as digits as its factorization.

2522147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 23.

The square root of 2522147 is about 1588.1268840996. The cubic root of 2522147 is about 136.1204778721.

Adding to 2522147 its reverse (7412252), we get a palindrome (9934399).

The spelling of 2522147 in words is "two million, five hundred twenty-two thousand, one hundred forty-seven".