1622222223871 has 2 divisors, whose sum is σ = 1622222223872. Its totient is φ = 1622222223870.

The previous prime is 1622222223857. The next prime is 1622222223971. The reversal of 1622222223871 is 1783222222261.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1783222222261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1622222223871 - 2¹⁹ = 1622221699583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622222223821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811111111935 + 811111111936.

It is an arithmetic number, because the mean of its divisors is an integer number (811111111936).

Almost surely, 2^{1622222223871} is an apocalyptic number.

1622222223871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622222223871 is an equidigital number, since it uses as much as digits as its factorization.

1622222223871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The spelling of 1622222223871 in words is "one trillion, six hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-three thousand, eight hundred seventy-one".