2204122220031 has 4 divisors (see below), whose sum is σ = 2938829626712. Its totient is φ = 1469414813352.

The previous prime is 2204122220023. The next prime is 2204122220057. The reversal of 2204122220031 is 1300222214022.

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

It is not a de Polignac number, because 2204122220031 - 2³ = 2204122220023 is a prime.

It is a super-2 number, since 2×2204122220031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204122220021) 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, 367353703336 + ... + 367353703341.

It is an arithmetic number, because the mean of its divisors is an integer number (734707406678).

Almost surely, 2^{2204122220031} is an apocalyptic number.

2204122220031 is a deficient number, since it is larger than the sum of its proper divisors (734707406681).

2204122220031 is an equidigital number, since it uses as much as digits as its factorization.

2204122220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734707406680.

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

Adding to 2204122220031 its reverse (1300222214022), we get a palindrome (3504344434053).

The spelling of 2204122220031 in words is "two trillion, two hundred four billion, one hundred twenty-two million, two hundred twenty thousand, thirty-one".