22112221232147 has 2 divisors, whose sum is σ = 22112221232148. Its totient is φ = 22112221232146.

The previous prime is 22112221232047. The next prime is 22112221232159. The reversal of 22112221232147 is 74123212221122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112221232147 is a prime.

It is a super-3 number, since 3×22112221232147³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22112221232047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056110616073 + 11056110616074.

It is an arithmetic number, because the mean of its divisors is an integer number (11056110616074).

Almost surely, 2^{22112221232147} is an apocalyptic number.

22112221232147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112221232147 is an equidigital number, since it uses as much as digits as its factorization.

22112221232147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

Adding to 22112221232147 its reverse (74123212221122), we get a palindrome (96235433453269).

The spelling of 22112221232147 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred forty-seven".