22200222202 has 4 divisors (see below), whose sum is σ = 33300333306. Its totient is φ = 11100111100.

The previous prime is 22200222197. The next prime is 22200222217. The reversal of 22200222202 is 20222200222.

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., 19931510041 + 2268712161 = 141179^2 + 47631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550055549 + ... + 5550055552.

Almost surely, 2^22200222202 is an apocalyptic number.

22200222202 is a deficient number, since it is larger than the sum of its proper divisors (11100111104).

22200222202 is a wasteful number, since it uses less digits than its factorization.

22200222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100111103.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22200222202 its reverse (20222200222), we get a palindrome (42422422424).

It can be divided in two parts, 22200222 and 202, that multiplied together give a palindrome (4484444844).

The spelling of 22200222202 in words is "twenty-two billion, two hundred million, two hundred twenty-two thousand, two hundred two".