4421221342 has 16 divisors (see below), whose sum is σ = 6669164160. Its totient is φ = 2198190808.

The previous prime is 4421221339. The next prime is 4421221351. The reversal of 4421221342 is 2431221244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397209 + ... + 408187.

It is an arithmetic number, because the mean of its divisors is an integer number (416822760).

Almost surely, 2^4421221342 is an apocalyptic number.

4421221342 is a deficient number, since it is larger than the sum of its proper divisors (2247942818).

4421221342 is a wasteful number, since it uses less digits than its factorization.

4421221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12095.

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

The square root of 4421221342 is about 66492.2652795045. The cubic root of 4421221342 is about 1641.2727258538.

Adding to 4421221342 its reverse (2431221244), we get a palindrome (6852442586).

The spelling of 4421221342 in words is "four billion, four hundred twenty-one million, two hundred twenty-one thousand, three hundred forty-two".