3221635442 has 8 divisors (see below), whose sum is σ = 4879370496. Its totient is φ = 1595178612.

The previous prime is 3221635441. The next prime is 3221635453. The reversal of 3221635442 is 2445361223.

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

It is a junction number, because it is equal to n+sod(n) for n = 3221635399 and 3221635408.

It is not an unprimeable number, because it can be changed into a prime (3221635441) 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, 7819298 + ... + 7819709.

It is an arithmetic number, because the mean of its divisors is an integer number (609921312).

Almost surely, 2^3221635442 is an apocalyptic number.

3221635442 is a deficient number, since it is larger than the sum of its proper divisors (1657735054).

3221635442 is a wasteful number, since it uses less digits than its factorization.

3221635442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15639112.

The product of its digits is 34560, while the sum is 32.

The square root of 3221635442 is about 56759.4524462666. The cubic root of 3221635442 is about 1476.9262115203.

Adding to 3221635442 its reverse (2445361223), we get a palindrome (5666996665).

The spelling of 3221635442 in words is "three billion, two hundred twenty-one million, six hundred thirty-five thousand, four hundred forty-two".