4221441431 has 4 divisors (see below), whose sum is σ = 4227123792. Its totient is φ = 4215759072.

The previous prime is 4221441409. The next prime is 4221441437. The reversal of 4221441431 is 1341441224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4221441431 is a prime.

It is a super-2 number, since 2×4221441431² = 35641135510726655522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4221441431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221441437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840066 + ... + 2841551.

It is an arithmetic number, because the mean of its divisors is an integer number (1056780948).

Almost surely, 2^4221441431 is an apocalyptic number.

4221441431 is a deficient number, since it is larger than the sum of its proper divisors (5682361).

4221441431 is an equidigital number, since it uses as much as digits as its factorization.

4221441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682360.

The product of its digits is 3072, while the sum is 26.

The square root of 4221441431 is about 64972.6206259221. The cubic root of 4221441431 is about 1616.1695600222.

Adding to 4221441431 its reverse (1341441224), we get a palindrome (5562882655).

The spelling of 4221441431 in words is "four billion, two hundred twenty-one million, four hundred forty-one thousand, four hundred thirty-one".