22142045115443 has 8 divisors (see below), whose sum is σ = 24934150511616. Its totient is φ = 19479805086600.

The previous prime is 22142045115439. The next prime is 22142045115461. The reversal of 22142045115443 is 34451154024122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22142045115443 - 2² = 22142045115439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22142045115397 and 22142045115406.

It is not an unprimeable number, because it can be changed into a prime (22142045115143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32466341471 + ... + 32466342152.

It is an arithmetic number, because the mean of its divisors is an integer number (3116768813952).

Almost surely, 2^{22142045115443} is an apocalyptic number.

22142045115443 is a deficient number, since it is larger than the sum of its proper divisors (2792105396173).

22142045115443 is a wasteful number, since it uses less digits than its factorization.

22142045115443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64932683665.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 22142045115443 its reverse (34451154024122), we get a palindrome (56593199139565).

The spelling of 22142045115443 in words is "twenty-two trillion, one hundred forty-two billion, forty-five million, one hundred fifteen thousand, four hundred forty-three".