3221142141 has 16 divisors (see below), whose sum is σ = 5066743808. Its totient is φ = 1781276400.

The previous prime is 3221142097. The next prime is 3221142191. The reversal of 3221142141 is 1412411223.

It is not a de Polignac number, because 3221142141 - 2¹⁴ = 3221125757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221142191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473345 + ... + 2474646.

It is an arithmetic number, because the mean of its divisors is an integer number (316671488).

Almost surely, 2^3221142141 is an apocalyptic number.

3221142141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3221142141 is a deficient number, since it is larger than the sum of its proper divisors (1845601667).

3221142141 is a wasteful number, since it uses less digits than its factorization.

3221142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948032.

The product of its digits is 384, while the sum is 21.

The square root of 3221142141 is about 56755.1067393939. The cubic root of 3221142141 is about 1476.8508247196.

Adding to 3221142141 its reverse (1412411223), we get a palindrome (4633553364).

The spelling of 3221142141 in words is "three billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred forty-one".