22351012143 has 4 divisors (see below), whose sum is σ = 29801349528. Its totient is φ = 14900674760.

The previous prime is 22351012139. The next prime is 22351012181. The reversal of 22351012143 is 34121015322.

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 22351012143 - 2² = 22351012139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351012193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725168688 + ... + 3725168693.

It is an arithmetic number, because the mean of its divisors is an integer number (7450337382).

Almost surely, 2^22351012143 is an apocalyptic number.

22351012143 is a deficient number, since it is larger than the sum of its proper divisors (7450337385).

22351012143 is an equidigital number, since it uses as much as digits as its factorization.

22351012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450337384.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22351012143 its reverse (34121015322), we get a palindrome (56472027465).

The spelling of 22351012143 in words is "twenty-two billion, three hundred fifty-one million, twelve thousand, one hundred forty-three".