22042042311 has 4 divisors (see below), whose sum is σ = 29389389752. Its totient is φ = 14694694872.

The previous prime is 22042042307. The next prime is 22042042331. The reversal of 22042042311 is 11324024022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22042042311 - 2² = 22042042307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042042331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673673716 + ... + 3673673721.

It is an arithmetic number, because the mean of its divisors is an integer number (7347347438).

Almost surely, 2^22042042311 is an apocalyptic number.

22042042311 is a deficient number, since it is larger than the sum of its proper divisors (7347347441).

22042042311 is an equidigital number, since it uses as much as digits as its factorization.

22042042311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347347440.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22042042311 its reverse (11324024022), we get a palindrome (33366066333).

The spelling of 22042042311 in words is "twenty-two billion, forty-two million, forty-two thousand, three hundred eleven".