3221421242 has 8 divisors (see below), whose sum is σ = 5203834356. Its totient is φ = 1486809792.

The previous prime is 3221421227. The next prime is 3221421251. The reversal of 3221421242 is 2421241223.

It can be written as a sum of positive squares in 2 ways, for example, as 3213642721 + 7778521 = 56689^2 + 2789^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61950383 + ... + 61950434.

Almost surely, 2^3221421242 is an apocalyptic number.

3221421242 is a deficient number, since it is larger than the sum of its proper divisors (1982413114).

3221421242 is a wasteful number, since it uses less digits than its factorization.

3221421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123900832.

The product of its digits is 1536, while the sum is 23.

The square root of 3221421242 is about 56757.5655045211. The cubic root of 3221421242 is about 1476.8934781863.

Adding to 3221421242 its reverse (2421241223), we get a palindrome (5642662465).

The spelling of 3221421242 in words is "three billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred forty-two".