22155530343 has 4 divisors (see below), whose sum is σ = 29540707128. Its totient is φ = 14770353560.

The previous prime is 22155530339. The next prime is 22155530351. The reversal of 22155530343 is 34303555122.

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 22155530343 - 2² = 22155530339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155530323) 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, 3692588388 + ... + 3692588393.

It is an arithmetic number, because the mean of its divisors is an integer number (7385176782).

Almost surely, 2^22155530343 is an apocalyptic number.

22155530343 is a deficient number, since it is larger than the sum of its proper divisors (7385176785).

22155530343 is an equidigital number, since it uses as much as digits as its factorization.

22155530343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385176784.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 22155530343 in words is "twenty-two billion, one hundred fifty-five million, five hundred thirty thousand, three hundred forty-three".