2221354543 has 8 divisors (see below), whose sum is σ = 2377900800. Its totient is φ = 2068771608.

The previous prime is 2221354523. The next prime is 2221354549. The reversal of 2221354543 is 3454531222.

2221354543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2221354543 - 2⁵ = 2221354511 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 (2221354549) 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, 989671 + ... + 991912.

It is an arithmetic number, because the mean of its divisors is an integer number (297237600).

Almost surely, 2^2221354543 is an apocalyptic number.

2221354543 is a deficient number, since it is larger than the sum of its proper divisors (156546257).

2221354543 is a wasteful number, since it uses less digits than its factorization.

2221354543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981661.

The product of its digits is 28800, while the sum is 31.

The square root of 2221354543 is about 47131.2480526455. The cubic root of 2221354543 is about 1304.7860158140.

Adding to 2221354543 its reverse (3454531222), we get a palindrome (5675885765).

The spelling of 2221354543 in words is "two billion, two hundred twenty-one million, three hundred fifty-four thousand, five hundred forty-three".