4430221231402 has 16 divisors (see below), whose sum is σ = 7132620487752. Its totient is φ = 2056250949120.

The previous prime is 4430221231391. The next prime is 4430221231463. The reversal of 4430221231402 is 2041321220344.

It can be written as a sum of positive squares in 4 ways, for example, as 3820261793401 + 609959438001 = 1954549^2 + 780999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892467549 + ... + 892472512.

Almost surely, 2^{4430221231402} is an apocalyptic number.

4430221231402 is a deficient number, since it is larger than the sum of its proper divisors (2702399256350).

4430221231402 is a wasteful number, since it uses less digits than its factorization.

4430221231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784940153.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4430221231402 its reverse (2041321220344), we get a palindrome (6471542451746).

The spelling of 4430221231402 in words is "four trillion, four hundred thirty billion, two hundred twenty-one million, two hundred thirty-one thousand, four hundred two".