22027286447 has 4 divisors (see below), whose sum is σ = 22028287896. Its totient is φ = 22026285000.

The previous prime is 22027286401. The next prime is 22027286467. The reversal of 22027286447 is 74468272022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22027286447 - 2¹² = 22027282351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22027286398 and 22027286407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027286467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466973 + ... + 511974.

It is an arithmetic number, because the mean of its divisors is an integer number (5507071974).

Almost surely, 2^22027286447 is an apocalyptic number.

22027286447 is a deficient number, since it is larger than the sum of its proper divisors (1001449).

22027286447 is an equidigital number, since it uses as much as digits as its factorization.

22027286447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001448.

The product of its (nonzero) digits is 602112, while the sum is 44.

The spelling of 22027286447 in words is "twenty-two billion, twenty-seven million, two hundred eighty-six thousand, four hundred forty-seven".