2212279651 has 2 divisors, whose sum is σ = 2212279652. Its totient is φ = 2212279650.

The previous prime is 2212279637. The next prime is 2212279711. The reversal of 2212279651 is 1569722122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212279651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212279651.

It is not a weakly prime, because it can be changed into another prime (2212270651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106139825 + 1106139826.

It is an arithmetic number, because the mean of its divisors is an integer number (1106139826).

Almost surely, 2^2212279651 is an apocalyptic number.

2212279651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212279651 is an equidigital number, since it uses as much as digits as its factorization.

2212279651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 2212279651 is about 47034.8769638021. The cubic root of 2212279651 is about 1303.0067781123.

The spelling of 2212279651 in words is "two billion, two hundred twelve million, two hundred seventy-nine thousand, six hundred fifty-one".