4234221142 has 4 divisors (see below), whose sum is σ = 6351331716. Its totient is φ = 2117110570.

The previous prime is 4234221139. The next prime is 4234221143. The reversal of 4234221142 is 2411224324.

4234221142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234221143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058555284 + ... + 1058555287.

It is an arithmetic number, because the mean of its divisors is an integer number (1587832929).

Almost surely, 2^4234221142 is an apocalyptic number.

4234221142 is a deficient number, since it is larger than the sum of its proper divisors (2117110574).

4234221142 is a wasteful number, since it uses less digits than its factorization.

4234221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117110573.

The product of its digits is 3072, while the sum is 25.

The square root of 4234221142 is about 65070.8932011848. The cubic root of 4234221142 is about 1617.7988117728.

Adding to 4234221142 its reverse (2411224324), we get a palindrome (6645445466).

The spelling of 4234221142 in words is "four billion, two hundred thirty-four million, two hundred twenty-one thousand, one hundred forty-two".