22222421300291 has 2 divisors, whose sum is σ = 22222421300292. Its totient is φ = 22222421300290.

The previous prime is 22222421300089. The next prime is 22222421300323. The reversal of 22222421300291 is 19200312422222.

It is an a-pointer prime, because the next prime (22222421300323) can be obtained adding 22222421300291 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222421300291 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222421300491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111210650145 + 11111210650146.

It is an arithmetic number, because the mean of its divisors is an integer number (11111210650146).

Almost surely, 2^{22222421300291} is an apocalyptic number.

22222421300291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222421300291 is an equidigital number, since it uses as much as digits as its factorization.

22222421300291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 22222421300291 in words is "twenty-two trillion, two hundred twenty-two billion, four hundred twenty-one million, three hundred thousand, two hundred ninety-one".