22202044222042 has 4 divisors (see below), whose sum is σ = 33303066333066. Its totient is φ = 11101022111020.

The previous prime is 22202044222003. The next prime is 22202044222067. The reversal of 22202044222042 is 24022244020222.

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., 17822320279201 + 4379723942841 = 4221649^2 + 2092779^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202044222042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550511055509 + ... + 5550511055512.

Almost surely, 2^{22202044222042} is an apocalyptic number.

22202044222042 is a deficient number, since it is larger than the sum of its proper divisors (11101022111024).

22202044222042 is a wasteful number, since it uses less digits than its factorization.

22202044222042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101022111023.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22202044222042 its reverse (24022244020222), we get a palindrome (46224288242264).

The spelling of 22202044222042 in words is "twenty-two trillion, two hundred two billion, forty-four million, two hundred twenty-two thousand, forty-two".