2522237 has 2 divisors, whose sum is σ = 2522238. Its totient is φ = 2522236.

The previous prime is 2522227. The next prime is 2522257. The reversal of 2522237 is 7322252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 729316 = 1339^2 + 854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2522237 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 5⁸ + 2¹⁰ + 2¹⁴ + 2²¹ + 3⁵ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261118 + 1261119.

It is an arithmetic number, because the mean of its divisors is an integer number (1261119).

2^2522237 is an apocalyptic number.

It is an amenable number.

2522237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522237 is an equidigital number, since it uses as much as digits as its factorization.

2522237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 23.

The square root of 2522237 is about 1588.1552191143. The cubic root of 2522237 is about 136.1220969552.

Adding to 2522237 its reverse (7322252), we get a palindrome (9844489).

The spelling of 2522237 in words is "two million, five hundred twenty-two thousand, two hundred thirty-seven".