22342565549 has 2 divisors, whose sum is σ = 22342565550. Its totient is φ = 22342565548.

The previous prime is 22342565513. The next prime is 22342565603. The reversal of 22342565549 is 94556524322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19478389225 + 2864176324 = 139565^2 + 53518^2 .

It is a cyclic number.

It is not a de Polignac number, because 22342565549 - 2¹⁶ = 22342500013 is a prime.

It is a super-2 number, since 2×22342565549² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22342565249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11171282774 + 11171282775.

It is an arithmetic number, because the mean of its divisors is an integer number (11171282775).

Almost surely, 2^22342565549 is an apocalyptic number.

It is an amenable number.

22342565549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22342565549 is an equidigital number, since it uses as much as digits as its factorization.

22342565549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 47.

The spelling of 22342565549 in words is "twenty-two billion, three hundred forty-two million, five hundred sixty-five thousand, five hundred forty-nine".