622121122 has 16 divisors (see below), whose sum is σ = 1073040192. Its totient is φ = 264986640.

The previous prime is 622121117. The next prime is 622121141. The reversal of 622121122 is 221121226.

It is a self number, because there is not a number n which added to its sum of digits gives 622121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134029 + ... + 138592.

It is an arithmetic number, because the mean of its divisors is an integer number (67065012).

Almost surely, 2^622121122 is an apocalyptic number.

622121122 is a deficient number, since it is larger than the sum of its proper divisors (450919070).

622121122 is a wasteful number, since it uses less digits than its factorization.

622121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272793.

The product of its digits is 192, while the sum is 19.

The square root of 622121122 is about 24942.3559833469. The cubic root of 622121122 is about 853.6732026640.

Adding to 622121122 its reverse (221121226), we get a palindrome (843242348).

The spelling of 622121122 in words is "six hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".