22022312122 has 4 divisors (see below), whose sum is σ = 33033468186. Its totient is φ = 11011156060.

The previous prime is 22022312087. The next prime is 22022312131. The reversal of 22022312122 is 22121322022.

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., 17672777721 + 4349534401 = 132939^2 + 65951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22022312122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505578029 + ... + 5505578032.

Almost surely, 2^22022312122 is an apocalyptic number.

22022312122 is a deficient number, since it is larger than the sum of its proper divisors (11011156064).

22022312122 is a wasteful number, since it uses less digits than its factorization.

22022312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011156063.

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

Adding to 22022312122 its reverse (22121322022), we get a palindrome (44143634144).

The spelling of 22022312122 in words is "twenty-two billion, twenty-two million, three hundred twelve thousand, one hundred twenty-two".