4213221332 has 6 divisors (see below), whose sum is σ = 7373137338. Its totient is φ = 2106610664.

The previous prime is 4213221319. The next prime is 4213221347. The reversal of 4213221332 is 2331223124.

It can be written as a sum of positive squares in only one way, i.e., 3672844816 + 540376516 = 60604^2 + 23246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4213221298 and 4213221307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526652663 + ... + 526652670.

It is an arithmetic number, because the mean of its divisors is an integer number (1228856223).

Almost surely, 2^4213221332 is an apocalyptic number.

It is an amenable number.

4213221332 is a deficient number, since it is larger than the sum of its proper divisors (3159916006).

4213221332 is a wasteful number, since it uses less digits than its factorization.

4213221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053305337 (or 1053305335 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 4213221332 is about 64909.3316249675. The cubic root of 4213221332 is about 1615.1198627917.

Adding to 4213221332 its reverse (2331223124), we get a palindrome (6544444456).

The spelling of 4213221332 in words is "four billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred thirty-two".