2216230451 has 2 divisors, whose sum is σ = 2216230452. Its totient is φ = 2216230450.

The previous prime is 2216230417. The next prime is 2216230453. The reversal of 2216230451 is 1540326122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216230451 is a prime.

Together with 2216230453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2216230451.

It is not a weakly prime, because it can be changed into another prime (2216230453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108115225 + 1108115226.

It is an arithmetic number, because the mean of its divisors is an integer number (1108115226).

Almost surely, 2^2216230451 is an apocalyptic number.

2216230451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216230451 is an equidigital number, since it uses as much as digits as its factorization.

2216230451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2216230451 is about 47076.8568513235. The cubic root of 2216230451 is about 1303.7819751273.

Adding to 2216230451 its reverse (1540326122), we get a palindrome (3756556573).

The spelling of 2216230451 in words is "two billion, two hundred sixteen million, two hundred thirty thousand, four hundred fifty-one".