22066672181922 has 16 divisors (see below), whose sum is σ = 49037049293280. Its totient is φ = 7355557393956.

The previous prime is 22066672181903. The next prime is 22066672181933. The reversal of 22066672181922 is 22918127666022.

It is a super-2 number, since 2×22066672181922² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 408642077443 = 22066672181922 / (2 + 2 + 0 + 6 + 6 + 6 + 7 + 2 + 1 + 8 + 1 + 9 + 2 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204321038668 + ... + 204321038775.

It is an arithmetic number, because the mean of its divisors is an integer number (3064815580830).

Almost surely, 2^{22066672181922} is an apocalyptic number.

22066672181922 is an abundant number, since it is smaller than the sum of its proper divisors (26970377111358).

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

22066672181922 is a wasteful number, since it uses less digits than its factorization.

22066672181922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408642077454 (or 408642077448 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 22066672181922 in words is "twenty-two trillion, sixty-six billion, six hundred seventy-two million, one hundred eighty-one thousand, nine hundred twenty-two".