4221424542 has 8 divisors (see below), whose sum is σ = 8442849096. Its totient is φ = 1407141512.

The previous prime is 4221424523. The next prime is 4221424549. The reversal of 4221424542 is 2454241224.

It is a sphenic number, since it is the product of 3 distinct primes.

4221424542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221424549) 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, 351785373 + ... + 351785384.

It is an arithmetic number, because the mean of its divisors is an integer number (1055356137).

Almost surely, 2^4221424542 is an apocalyptic number.

4221424542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221424542 is a wasteful number, since it uses less digits than its factorization.

4221424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703570762.

The product of its digits is 20480, while the sum is 30.

The square root of 4221424542 is about 64972.4906556613. The cubic root of 4221424542 is about 1616.1674047139.

Adding to 4221424542 its reverse (2454241224), we get a palindrome (6675665766).

The spelling of 4221424542 in words is "four billion, two hundred twenty-one million, four hundred twenty-four thousand, five hundred forty-two".