4221351142 has 16 divisors (see below), whose sum is σ = 6374440800. Its totient is φ = 2096565120.

The previous prime is 4221351131. The next prime is 4221351143. The reversal of 4221351142 is 2411531224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221351143) 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, 326334 + ... + 339022.

It is an arithmetic number, because the mean of its divisors is an integer number (398402550).

Almost surely, 2^4221351142 is an apocalyptic number.

4221351142 is a deficient number, since it is larger than the sum of its proper divisors (2153089658).

4221351142 is a wasteful number, since it uses less digits than its factorization.

4221351142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13791.

The product of its digits is 1920, while the sum is 25.

The square root of 4221351142 is about 64971.9257987633. The cubic root of 4221351142 is about 1616.1580376251.

Adding to 4221351142 its reverse (2411531224), we get a palindrome (6632882366).

The spelling of 4221351142 in words is "four billion, two hundred twenty-one million, three hundred fifty-one thousand, one hundred forty-two".