22667787361 has 2 divisors, whose sum is σ = 22667787362. Its totient is φ = 22667787360.

The previous prime is 22667787319. The next prime is 22667787377. The reversal of 22667787361 is 16378776622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21975097600 + 692689761 = 148240^2 + 26319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22667787361 is a prime.

It is a super-2 number, since 2×22667787361² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22667787061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333893680 + 11333893681.

It is an arithmetic number, because the mean of its divisors is an integer number (11333893681).

Almost surely, 2^22667787361 is an apocalyptic number.

It is an amenable number.

22667787361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22667787361 is an equidigital number, since it uses as much as digits as its factorization.

22667787361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 55.

The spelling of 22667787361 in words is "twenty-two billion, six hundred sixty-seven million, seven hundred eighty-seven thousand, three hundred sixty-one".