2272631 has 2 divisors, whose sum is σ = 2272632. Its totient is φ = 2272630.

The previous prime is 2272619. The next prime is 2272649. The reversal of 2272631 is 1362722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272631 is a prime.

It is a super-2 number, since 2×2272631² = 10329703324322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2272597 and 2272606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136315 + 1136316.

It is an arithmetic number, because the mean of its divisors is an integer number (1136316).

2^2272631 is an apocalyptic number.

2272631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272631 is an equidigital number, since it uses as much as digits as its factorization.

2272631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 2272631 is about 1507.5247924993. The cubic root of 2272631 is about 131.4749382379.

Subtracting from 2272631 its reverse (1362722), we obtain a palindrome (909909).

The spelling of 2272631 in words is "two million, two hundred seventy-two thousand, six hundred thirty-one".