2321221267 has 2 divisors, whose sum is σ = 2321221268. Its totient is φ = 2321221266.

The previous prime is 2321221183. The next prime is 2321221283. The reversal of 2321221267 is 7621221232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321221267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321231267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160610633 + 1160610634.

It is an arithmetic number, because the mean of its divisors is an integer number (1160610634).

Almost surely, 2^2321221267 is an apocalyptic number.

2321221267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321221267 is an equidigital number, since it uses as much as digits as its factorization.

2321221267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 2321221267 is about 48179.0542352172. The cubic root of 2321221267 is about 1324.0534389626.

Adding to 2321221267 its reverse (7621221232), we get a palindrome (9942442499).

The spelling of 2321221267 in words is "two billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred sixty-seven".