22002000020122 has 4 divisors (see below), whose sum is σ = 33003000030186. Its totient is φ = 11001000010060.

The previous prime is 22002000020113. The next prime is 22002000020129. The reversal of 22002000020122 is 22102000020022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18467483459161 + 3534516560961 = 4297381^2 + 1880031^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22002000020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500500005029 + ... + 5500500005032.

Almost surely, 2^{22002000020122} is an apocalyptic number.

22002000020122 is a deficient number, since it is larger than the sum of its proper divisors (11001000010064).

22002000020122 is a wasteful number, since it uses less digits than its factorization.

22002000020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001000010063.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22002000020122 its reverse (22102000020022), we get a palindrome (44104000040144).

The spelling of 22002000020122 in words is "twenty-two trillion, two billion, twenty thousand, one hundred twenty-two".