3221140423 has 4 divisors (see below), whose sum is σ = 3250692280. Its totient is φ = 3191588568.

The previous prime is 3221140381. The next prime is 3221140451. The reversal of 3221140423 is 3240411223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221140423 - 2¹³ = 3221132231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221140394 and 3221140403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221140453) 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, 14775765 + ... + 14775982.

It is an arithmetic number, because the mean of its divisors is an integer number (812673070).

Almost surely, 2^3221140423 is an apocalyptic number.

3221140423 is a deficient number, since it is larger than the sum of its proper divisors (29551857).

3221140423 is a wasteful number, since it uses less digits than its factorization.

3221140423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29551856.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3221140423 is about 56755.0916041900. The cubic root of 3221140423 is about 1476.8505621595.

Adding to 3221140423 its reverse (3240411223), we get a palindrome (6461551646).

The spelling of 3221140423 in words is "three billion, two hundred twenty-one million, one hundred forty thousand, four hundred twenty-three".