22054747549 has 2 divisors, whose sum is σ = 22054747550. Its totient is φ = 22054747548.

The previous prime is 22054747493. The next prime is 22054747571. The reversal of 22054747549 is 94574745022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21978062500 + 76685049 = 148250^2 + 8757^2 .

It is a cyclic number.

It is not a de Polignac number, because 22054747549 - 2²⁷ = 21920529821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22054747349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11027373774 + 11027373775.

It is an arithmetic number, because the mean of its divisors is an integer number (11027373775).

Almost surely, 2^22054747549 is an apocalyptic number.

It is an amenable number.

22054747549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22054747549 is an equidigital number, since it uses as much as digits as its factorization.

22054747549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 22054747549 in words is "twenty-two billion, fifty-four million, seven hundred forty-seven thousand, five hundred forty-nine".