2202531 has 4 divisors (see below), whose sum is σ = 2936712. Its totient is φ = 1468352.

The previous prime is 2202517. The next prime is 2202533. The reversal of 2202531 is 1352022.

2202531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2202531 - 2⁹ = 2202019 is a prime.

It is a super-2 number, since 2×2202531² = 9702285611922, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2202531.

It is not an unprimeable number, because it can be changed into a prime (2202533) 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 in 3 ways as a sum of consecutive naturals, for example, 367086 + ... + 367091.

It is an arithmetic number, because the mean of its divisors is an integer number (734178).

2^2202531 is an apocalyptic number.

2202531 is a deficient number, since it is larger than the sum of its proper divisors (734181).

2202531 is an equidigital number, since it uses as much as digits as its factorization.

2202531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734180.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2202531 is about 1484.0926520942. The cubic root of 2202531 is about 130.1090012822.

Adding to 2202531 its reverse (1352022), we get a palindrome (3554553).

The spelling of 2202531 in words is "two million, two hundred two thousand, five hundred thirty-one".