22005780669369 has 18 divisors (see below), whose sum is σ = 36975699492810. Its totient is φ = 12574731810816.

The previous prime is 22005780669359. The next prime is 22005780669371. The reversal of 22005780669369 is 96396608750022.

22005780669369 is a `hidden beast` number, since 2 + 20 + 0 + 578 + 0 + 6 + 6 + 9 + 36 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17485109510400 + 4520671158969 = 4181520^2 + 2126187^2 .

It is not a de Polignac number, because 22005780669369 - 2⁷ = 22005780669241 is a prime.

It is a super-2 number, since 2×22005780669369² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (22005780669359) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24949864264 + ... + 24949865145.

Almost surely, 2^{22005780669369} is an apocalyptic number.

It is an amenable number.

22005780669369 is a deficient number, since it is larger than the sum of its proper divisors (14969918823441).

22005780669369 is a wasteful number, since it uses less digits than its factorization.

22005780669369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49899729429 (or 49899729419 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 22005780669369 in words is "twenty-two trillion, five billion, seven hundred eighty million, six hundred sixty-nine thousand, three hundred sixty-nine".