2522287 has 4 divisors (see below), whose sum is σ = 2552760. Its totient is φ = 2491816.

The previous prime is 2522281. The next prime is 2522293. The reversal of 2522287 is 7822252.

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

It is an interprime number because it is at equal distance from previous prime (2522281) and next prime (2522293).

It is a cyclic number.

It is not a de Polignac number, because 2522287 - 2¹⁹ = 1997999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522281) 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, 15112 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (638190).

2^2522287 is an apocalyptic number.

2522287 is a deficient number, since it is larger than the sum of its proper divisors (30473).

2522287 is an equidigital number, since it uses as much as digits as its factorization.

2522287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30472.

The product of its digits is 4480, while the sum is 28.

The square root of 2522287 is about 1588.1709605707. The cubic root of 2522287 is about 136.1229964292.

It can be divided in two parts, 2522 and 287, that added together give a square (2809 = 53²).

The spelling of 2522287 in words is "two million, five hundred twenty-two thousand, two hundred eighty-seven".