22130743 has 4 divisors (see below), whose sum is σ = 22230208. Its totient is φ = 22031280.

The previous prime is 22130737. The next prime is 22130777. The reversal of 22130743 is 34703122.

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 22130743 - 2¹⁷ = 21999671 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 (22130543) 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, 49398 + ... + 49843.

It is an arithmetic number, because the mean of its divisors is an integer number (5557552).

Almost surely, 2^22130743 is an apocalyptic number.

22130743 is a deficient number, since it is larger than the sum of its proper divisors (99465).

22130743 is an equidigital number, since it uses as much as digits as its factorization.

22130743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99464.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 22130743 is about 4704.3323649589. The cubic root of 22130743 is about 280.7579083655.

Adding to 22130743 its reverse (34703122), we get a palindrome (56833865).

The spelling of 22130743 in words is "twenty-two million, one hundred thirty thousand, seven hundred forty-three".