2212616631 has 16 divisors (see below), whose sum is σ = 2961446400. Its totient is φ = 1469444448.

The previous prime is 2212616621. The next prime is 2212616639. The reversal of 2212616631 is 1366162122.

It is a de Polignac number, because none of the positive numbers 2^k-2212616631 is a prime.

It is a super-2 number, since 2×2212616631² = 9791344711555580322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212616639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617910 + ... + 1619276.

It is an arithmetic number, because the mean of its divisors is an integer number (185090400).

Almost surely, 2^2212616631 is an apocalyptic number.

2212616631 is a deficient number, since it is larger than the sum of its proper divisors (748829769).

2212616631 is a wasteful number, since it uses less digits than its factorization.

2212616631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038.

The product of its digits is 5184, while the sum is 30.

The square root of 2212616631 is about 47038.4590627712. The cubic root of 2212616631 is about 1303.0729338432.

Adding to 2212616631 its reverse (1366162122), we get a palindrome (3578778753).

The spelling of 2212616631 in words is "two billion, two hundred twelve million, six hundred sixteen thousand, six hundred thirty-one".