22254391723 has 2 divisors, whose sum is σ = 22254391724. Its totient is φ = 22254391722.

The previous prime is 22254391711. The next prime is 22254391771. The reversal of 22254391723 is 32719345222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22254391723 is a prime.

It is a super-3 number, since 3×22254391723³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22254391703) 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, 11127195861 + 11127195862.

It is an arithmetic number, because the mean of its divisors is an integer number (11127195862).

Almost surely, 2^22254391723 is an apocalyptic number.

22254391723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254391723 is an equidigital number, since it uses as much as digits as its factorization.

22254391723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The spelling of 22254391723 in words is "twenty-two billion, two hundred fifty-four million, three hundred ninety-one thousand, seven hundred twenty-three".