22144515311 has 2 divisors, whose sum is σ = 22144515312. Its totient is φ = 22144515310.

The previous prime is 22144515277. The next prime is 22144515317. The reversal of 22144515311 is 11351544122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22144515311 - 2⁶ = 22144515247 is a prime.

It is a super-2 number, since 2×22144515311² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22144515317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072257655 + 11072257656.

It is an arithmetic number, because the mean of its divisors is an integer number (11072257656).

Almost surely, 2^22144515311 is an apocalyptic number.

22144515311 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144515311 is an equidigital number, since it uses as much as digits as its factorization.

22144515311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 29.

The spelling of 22144515311 in words is "twenty-two billion, one hundred forty-four million, five hundred fifteen thousand, three hundred eleven".