22202222040202 has 4 divisors (see below), whose sum is σ = 33303333060306. Its totient is φ = 11101111020100.

The previous prime is 22202222040191. The next prime is 22202222040233. The reversal of 22202222040202 is 20204022220222.

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., 18274607564161 + 3927614476041 = 4274881^2 + 1981821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550555510049 + ... + 5550555510052.

Almost surely, 2^{22202222040202} is an apocalyptic number.

22202222040202 is a deficient number, since it is larger than the sum of its proper divisors (11101111020104).

22202222040202 is a wasteful number, since it uses less digits than its factorization.

22202222040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101111020103.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22202222040202 its reverse (20204022220222), we get a palindrome (42406244260424).

The spelling of 22202222040202 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-two million, forty thousand, two hundred two".