2164222753427 has 4 divisors (see below), whose sum is σ = 2473397432496. Its totient is φ = 1855048074360.

The previous prime is 2164222753393. The next prime is 2164222753457. The reversal of 2164222753427 is 7243572224612.

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 2164222753427 - 2¹⁰ = 2164222752403 is a prime.

It is a super-2 number, since 2×2164222753427² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164222753457) 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, 154587339524 + ... + 154587339537.

It is an arithmetic number, because the mean of its divisors is an integer number (618349358124).

Almost surely, 2^{2164222753427} is an apocalyptic number.

2164222753427 is a deficient number, since it is larger than the sum of its proper divisors (309174679069).

2164222753427 is an equidigital number, since it uses as much as digits as its factorization.

2164222753427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309174679068.

The product of its digits is 2257920, while the sum is 47.

The spelling of 2164222753427 in words is "two trillion, one hundred sixty-four billion, two hundred twenty-two million, seven hundred fifty-three thousand, four hundred twenty-seven".