22202312122 has 4 divisors (see below), whose sum is σ = 33303468186. Its totient is φ = 11101156060.

The previous prime is 22202312107. The next prime is 22202312141. The reversal of 22202312122 is 22121320222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22121320222 = 2 ⋅11060660111.

It can be written as a sum of positive squares in only one way, i.e., 18925780041 + 3276532081 = 137571^2 + 57241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202312122.

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 as a sum of consecutive naturals, namely, 5550578029 + ... + 5550578032.

Almost surely, 2^22202312122 is an apocalyptic number.

22202312122 is a deficient number, since it is larger than the sum of its proper divisors (11101156064).

22202312122 is a wasteful number, since it uses less digits than its factorization.

22202312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101156063.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22202312122 its reverse (22121320222), we get a palindrome (44323632344).

The spelling of 22202312122 in words is "twenty-two billion, two hundred two million, three hundred twelve thousand, one hundred twenty-two".