22122112202 has 4 divisors (see below), whose sum is σ = 33183168306. Its totient is φ = 11061056100.

The previous prime is 22122112183. The next prime is 22122112237. The reversal of 22122112202 is 20221122122.

It is a happy number.

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., 20947062361 + 1175049841 = 144731^2 + 34279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530528049 + ... + 5530528052.

Almost surely, 2^22122112202 is an apocalyptic number.

22122112202 is a deficient number, since it is larger than the sum of its proper divisors (11061056104).

22122112202 is a wasteful number, since it uses less digits than its factorization.

22122112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061056103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122112202 its reverse (20221122122), we get a palindrome (42343234324).

The spelling of 22122112202 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred two".