2211423304442 has 32 divisors (see below), whose sum is σ = 3654763749504. Its totient is φ = 995173992000.

The previous prime is 2211423304423. The next prime is 2211423304487. The reversal of 2211423304442 is 2444033241122.

It is a happy number.

2211423304442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2211423304399 and 2211423304408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51735683 + ... + 51778409.

It is an arithmetic number, because the mean of its divisors is an integer number (114211367172).

Almost surely, 2^{2211423304442} is an apocalyptic number.

2211423304442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211423304442 is a deficient number, since it is larger than the sum of its proper divisors (1443340445062).

2211423304442 is a wasteful number, since it uses less digits than its factorization.

2211423304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66134.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2211423304442 its reverse (2444033241122), we get a palindrome (4655456545564).

The spelling of 2211423304442 in words is "two trillion, two hundred eleven billion, four hundred twenty-three million, three hundred four thousand, four hundred forty-two".