2202421543 has 4 divisors (see below), whose sum is σ = 2517053200. Its totient is φ = 1887789888.

The previous prime is 2202421493. The next prime is 2202421547. The reversal of 2202421543 is 3451242022.

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 2202421543 - 2⁹ = 2202421031 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 (2202421547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157315818 + ... + 157315831.

It is an arithmetic number, because the mean of its divisors is an integer number (629263300).

Almost surely, 2^2202421543 is an apocalyptic number.

2202421543 is a deficient number, since it is larger than the sum of its proper divisors (314631657).

2202421543 is an equidigital number, since it uses as much as digits as its factorization.

2202421543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314631656.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2202421543 is about 46929.9642339519. The cubic root of 2202421543 is about 1301.0684594711.

Adding to 2202421543 its reverse (3451242022), we get a palindrome (5653663565).

The spelling of 2202421543 in words is "two billion, two hundred two million, four hundred twenty-one thousand, five hundred forty-three".