2122200043442 has 16 divisors (see below), whose sum is σ = 3220538267160. Its totient is φ = 1048754932608.

The previous prime is 2122200043387. The next prime is 2122200043531. The reversal of 2122200043442 is 2443400022212.

It can be written as a sum of positive squares in 4 ways, for example, as 2089756468801 + 32443574641 = 1445599^2 + 180121^2 .

It is a super-4 number, since 4×2122200043442⁴ (a number of 50 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16848293 + ... + 16973784.

Almost surely, 2^{2122200043442} is an apocalyptic number.

2122200043442 is a deficient number, since it is larger than the sum of its proper divisors (1098338223718).

2122200043442 is a wasteful number, since it uses less digits than its factorization.

2122200043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33822445.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 2122200043442 its reverse (2443400022212), we get a palindrome (4565600065654).

The spelling of 2122200043442 in words is "two trillion, one hundred twenty-two billion, two hundred million, forty-three thousand, four hundred forty-two".