22000142122 has 32 divisors (see below), whose sum is σ = 38026656000. Its totient is φ = 9350909568.

The previous prime is 22000142107. The next prime is 22000142149. The reversal of 22000142122 is 22124100022.

It is a junction number, because it is equal to n+sod(n) for n = 22000142096 and 22000142105.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 859404 + ... + 884632.

It is an arithmetic number, because the mean of its divisors is an integer number (1188333000).

Almost surely, 2^22000142122 is an apocalyptic number.

22000142122 is a deficient number, since it is larger than the sum of its proper divisors (16026513878).

22000142122 is a wasteful number, since it uses less digits than its factorization.

22000142122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22000142122 its reverse (22124100022), we get a palindrome (44124242144).

The spelling of 22000142122 in words is "twenty-two billion, one hundred forty-two thousand, one hundred twenty-two".