3221242142 has 8 divisors (see below), whose sum is σ = 4832813856. Its totient is φ = 1610304192.

The previous prime is 3221242139. The next prime is 3221242177. The reversal of 3221242142 is 2412421223.

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

It is a congruent number.

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, 145523 + ... + 166190.

It is an arithmetic number, because the mean of its divisors is an integer number (604101732).

Almost surely, 2^3221242142 is an apocalyptic number.

3221242142 is a deficient number, since it is larger than the sum of its proper divisors (1611571714).

3221242142 is a wasteful number, since it uses less digits than its factorization.

3221242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316882.

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

The square root of 3221242142 is about 56755.9877193587. The cubic root of 3221242142 is about 1476.8661076042.

Adding to 3221242142 its reverse (2412421223), we get a palindrome (5633663365).

The spelling of 3221242142 in words is "three billion, two hundred twenty-one million, two hundred forty-two thousand, one hundred forty-two".