22404422012143 has 4 divisors (see below), whose sum is σ = 22459200550480. Its totient is φ = 22349643473808.

The previous prime is 22404422012099. The next prime is 22404422012183. The reversal of 22404422012143 is 34121022440422.

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

It is a cyclic number.

It is not a de Polignac number, because 22404422012143 - 2³³ = 22395832077551 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 (22404422012183) 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, 27389268555 + ... + 27389269372.

It is an arithmetic number, because the mean of its divisors is an integer number (5614800137620).

Almost surely, 2^{22404422012143} is an apocalyptic number.

22404422012143 is a deficient number, since it is larger than the sum of its proper divisors (54778538337).

22404422012143 is an equidigital number, since it uses as much as digits as its factorization.

22404422012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54778538336.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 22404422012143 its reverse (34121022440422), we get a palindrome (56525444452565).

The spelling of 22404422012143 in words is "twenty-two trillion, four hundred four billion, four hundred twenty-two million, twelve thousand, one hundred forty-three".