22666240424057 has 2 divisors, whose sum is σ = 22666240424058. Its totient is φ = 22666240424056.

The previous prime is 22666240424041. The next prime is 22666240424123. The reversal of 22666240424057 is 75042404266622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22664302575616 + 1937848441 = 4760704^2 + 44021^2 .

It is a cyclic number.

It is not a de Polignac number, because 22666240424057 - 2⁴ = 22666240424041 is a prime.

It is a super-2 number, since 2×22666240424057² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22666240423996 and 22666240424014.

It is not a weakly prime, because it can be changed into another prime (22666240424657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333120212028 + 11333120212029.

It is an arithmetic number, because the mean of its divisors is an integer number (11333120212029).

Almost surely, 2^{22666240424057} is an apocalyptic number.

It is an amenable number.

22666240424057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666240424057 is an equidigital number, since it uses as much as digits as its factorization.

22666240424057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 50.

The spelling of 22666240424057 in words is "twenty-two trillion, six hundred sixty-six billion, two hundred forty million, four hundred twenty-four thousand, fifty-seven".