2213206631 has 2 divisors, whose sum is σ = 2213206632. Its totient is φ = 2213206630.

The previous prime is 2213206573. The next prime is 2213206663. The reversal of 2213206631 is 1366023122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213206631 is a prime.

It is a super-2 number, since 2×2213206631² = 9796567183004740322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2213206631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213236631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106603315 + 1106603316.

It is an arithmetic number, because the mean of its divisors is an integer number (1106603316).

Almost surely, 2^2213206631 is an apocalyptic number.

2213206631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213206631 is an equidigital number, since it uses as much as digits as its factorization.

2213206631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2213206631 is about 47044.7301086955. The cubic root of 2213206631 is about 1303.1887461496.

Adding to 2213206631 its reverse (1366023122), we get a palindrome (3579229753).

The spelling of 2213206631 in words is "two billion, two hundred thirteen million, two hundred six thousand, six hundred thirty-one".