3221450431 has 8 divisors (see below), whose sum is σ = 3230118320. Its totient is φ = 3212794368.

The previous prime is 3221450389. The next prime is 3221450537. The reversal of 3221450431 is 1340541223.

3221450431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221450431 - 2¹³ = 3221442239 is a prime.

It is a super-2 number, since 2×3221450431² = 20755485758780171522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221450396 and 3221450405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221450131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822580 + ... + 826486.

It is an arithmetic number, because the mean of its divisors is an integer number (403764790).

Almost surely, 2^3221450431 is an apocalyptic number.

3221450431 is a deficient number, since it is larger than the sum of its proper divisors (8667889).

3221450431 is a wasteful number, since it uses less digits than its factorization.

3221450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3221450431 is about 56757.8226414650. The cubic root of 3221450431 is about 1476.8979388379.

Adding to 3221450431 its reverse (1340541223), we get a palindrome (4561991654).

The spelling of 3221450431 in words is "three billion, two hundred twenty-one million, four hundred fifty thousand, four hundred thirty-one".