22000012022122 has 8 divisors (see below), whose sum is σ = 33001541574372. Its totient is φ = 10999498164000.

The previous prime is 22000012022111. The next prime is 22000012022189. The reversal of 22000012022122 is 22122021000022.

It can be written as a sum of positive squares in 2 ways, for example, as 21800952384201 + 199059637921 = 4669149^2 + 446161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22000012022096 and 22000012022105.

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 3 ways as a sum of consecutive naturals, for example, 253869379 + ... + 253956022.

Almost surely, 2^{22000012022122} is an apocalyptic number.

22000012022122 is a deficient number, since it is larger than the sum of its proper divisors (11001529552250).

22000012022122 is a wasteful number, since it uses less digits than its factorization.

22000012022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507847064.

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

Adding to 22000012022122 its reverse (22122021000022), we get a palindrome (44122033022144).

The spelling of 22000012022122 in words is "twenty-two trillion, twelve million, twenty-two thousand, one hundred twenty-two".