2212405651 has 2 divisors, whose sum is σ = 2212405652. Its totient is φ = 2212405650.

The previous prime is 2212405649. The next prime is 2212405681. The reversal of 2212405651 is 1565042122.

2212405651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212405651 - 2¹ = 2212405649 is a prime.

Together with 2212405649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2212405681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106202825 + 1106202826.

It is an arithmetic number, because the mean of its divisors is an integer number (1106202826).

Almost surely, 2^2212405651 is an apocalyptic number.

2212405651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212405651 is an equidigital number, since it uses as much as digits as its factorization.

2212405651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2212405651 is about 47036.2163763201. The cubic root of 2212405651 is about 1303.0315151503.

Adding to 2212405651 its reverse (1565042122), we get a palindrome (3777447773).

The spelling of 2212405651 in words is "two billion, two hundred twelve million, four hundred five thousand, six hundred fifty-one".