2522247 has 16 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 1330272.

The previous prime is 2522237. The next prime is 2522257. The reversal of 2522247 is 7422252.

It is an interprime number because it is at equal distance from previous prime (2522237) and next prime (2522257).

It is not a de Polignac number, because 2522247 - 2⁷ = 2522119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522227) 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, 4347 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

2^2522247 is an apocalyptic number.

2522247 is a deficient number, since it is larger than the sum of its proper divisors (1617273).

2522247 is a wasteful number, since it uses less digits than its factorization.

2522247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262.

The product of its digits is 2240, while the sum is 24.

The square root of 2522247 is about 1588.1583674181. The cubic root of 2522247 is about 136.1222768510.

Adding to 2522247 its reverse (7422252), we get a palindrome (9944499).

The spelling of 2522247 in words is "two million, five hundred twenty-two thousand, two hundred forty-seven".