22666165242 has 16 divisors (see below), whose sum is σ = 51808377792. Its totient is φ = 6476047200.

The previous prime is 22666165241. The next prime is 22666165261. The reversal of 22666165242 is 24256166622.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 539670601 = 22666165242 / (2 + 2 + 6 + 6 + 6 + 1 + 6 + 5 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22666165194 and 22666165203.

It is not an unprimeable number, because it can be changed into a prime (22666165241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269835259 + ... + 269835342.

It is an arithmetic number, because the mean of its divisors is an integer number (3238023612).

Almost surely, 2^22666165242 is an apocalyptic number.

22666165242 is an abundant number, since it is smaller than the sum of its proper divisors (29142212550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22666165242 is a wasteful number, since it uses less digits than its factorization.

22666165242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539670613.

The product of its digits is 414720, while the sum is 42.

The spelling of 22666165242 in words is "twenty-two billion, six hundred sixty-six million, one hundred sixty-five thousand, two hundred forty-two".