2202631 has 2 divisors, whose sum is σ = 2202632. Its totient is φ = 2202630.

The previous prime is 2202617. The next prime is 2202677. The reversal of 2202631 is 1362022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202631 is a prime.

It is a super-2 number, since 2×2202631² = 9703166644322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101315 + 1101316.

It is an arithmetic number, because the mean of its divisors is an integer number (1101316).

2^2202631 is an apocalyptic number.

2202631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202631 is an equidigital number, since it uses as much as digits as its factorization.

2202631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2202631 is about 1484.1263423307. The cubic root of 2202631 is about 130.1109703355.

Adding to 2202631 its reverse (1362022), we get a palindrome (3564653).

The spelling of 2202631 in words is "two million, two hundred two thousand, six hundred thirty-one".