22110185346427 has 2 divisors, whose sum is σ = 22110185346428. Its totient is φ = 22110185346426.

The previous prime is 22110185346421. The next prime is 22110185346449. The reversal of 22110185346427 is 72464358101122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22110185346427 - 2¹⁹ = 22110184822139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22110185346421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055092673213 + 11055092673214.

It is an arithmetic number, because the mean of its divisors is an integer number (11055092673214).

Almost surely, 2^{22110185346427} is an apocalyptic number.

22110185346427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110185346427 is an equidigital number, since it uses as much as digits as its factorization.

22110185346427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 22110185346427 in words is "twenty-two trillion, one hundred ten billion, one hundred eighty-five million, three hundred forty-six thousand, four hundred twenty-seven".