22222000200122 has 4 divisors (see below), whose sum is σ = 33333000300186. Its totient is φ = 11111000100060.

The previous prime is 22222000200083. The next prime is 22222000200149. The reversal of 22222000200122 is 22100200022222.

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., 17867520546001 + 4354479654121 = 4226999^2 + 2086739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22222000200122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555500050029 + ... + 5555500050032.

Almost surely, 2^{22222000200122} is an apocalyptic number.

22222000200122 is a deficient number, since it is larger than the sum of its proper divisors (11111000100064).

22222000200122 is a wasteful number, since it uses less digits than its factorization.

22222000200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111000100063.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22222000200122 its reverse (22100200022222), we get a palindrome (44322200222344).

The spelling of 22222000200122 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred thousand, one hundred twenty-two".