122022643 has 2 divisors, whose sum is σ = 122022644. Its totient is φ = 122022642.

The previous prime is 122022623. The next prime is 122022661. The reversal of 122022643 is 346220221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122022643 - 2¹⁷ = 121891571 is a prime.

It is not a weakly prime, because it can be changed into another prime (122022623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011321 + 61011322.

It is an arithmetic number, because the mean of its divisors is an integer number (61011322).

Almost surely, 2^122022643 is an apocalyptic number.

122022643 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022643 is an equidigital number, since it uses as much as digits as its factorization.

122022643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 122022643 is about 11046.3859700809. The cubic root of 122022643 is about 495.9982480752.

Adding to 122022643 its reverse (346220221), we get a palindrome (468242864).

The spelling of 122022643 in words is "one hundred twenty-two million, twenty-two thousand, six hundred forty-three".