4311221332 has 48 divisors (see below), whose sum is σ = 8383818240. Its totient is φ = 1923256800.

The previous prime is 4311221303. The next prime is 4311221333. The reversal of 4311221332 is 2331221134.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311221333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2353657 + ... + 2355487.

It is an arithmetic number, because the mean of its divisors is an integer number (174662880).

Almost surely, 2^4311221332 is an apocalyptic number.

It is an amenable number.

4311221332 is a deficient number, since it is larger than the sum of its proper divisors (4072596908).

4311221332 is a wasteful number, since it uses less digits than its factorization.

4311221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2810 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 4311221332 is about 65659.8913492857. The cubic root of 4311221332 is about 1627.5466287412.

Adding to 4311221332 its reverse (2331221134), we get a palindrome (6642442466).

The spelling of 4311221332 in words is "four billion, three hundred eleven million, two hundred twenty-one thousand, three hundred thirty-two".