4221345342 has 16 divisors (see below), whose sum is σ = 8809764480. Its totient is φ = 1345936152.

The previous prime is 4221345341. The next prime is 4221345367. The reversal of 4221345342 is 2435431224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221345341) 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, 15294592 + ... + 15294867.

It is an arithmetic number, because the mean of its divisors is an integer number (550610280).

Almost surely, 2^4221345342 is an apocalyptic number.

4221345342 is an abundant number, since it is smaller than the sum of its proper divisors (4588419138).

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

4221345342 is a wasteful number, since it uses less digits than its factorization.

4221345342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30589487.

The product of its digits is 23040, while the sum is 30.

The square root of 4221345342 is about 64971.8811640851. The cubic root of 4221345342 is about 1616.1572974418.

Adding to 4221345342 its reverse (2435431224), we get a palindrome (6656776566).

The spelling of 4221345342 in words is "four billion, two hundred twenty-one million, three hundred forty-five thousand, three hundred forty-two".