3221142533 has 8 divisors (see below), whose sum is σ = 3702586368. Its totient is φ = 2745018864.

The previous prime is 3221142527. The next prime is 3221142553. The reversal of 3221142533 is 3352411223.

It is a happy number.

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

It is not a de Polignac number, because 3221142533 - 2⁴ = 3221142517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221142503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328741 + ... + 1331162.

It is an arithmetic number, because the mean of its divisors is an integer number (462823296).

Almost surely, 2^3221142533 is an apocalyptic number.

It is an amenable number.

3221142533 is a deficient number, since it is larger than the sum of its proper divisors (481443835).

3221142533 is a wasteful number, since it uses less digits than its factorization.

3221142533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660083.

The product of its digits is 4320, while the sum is 26.

The square root of 3221142533 is about 56755.1101928276. The cubic root of 3221142533 is about 1476.8508846285.

Adding to 3221142533 its reverse (3352411223), we get a palindrome (6573553756).

The spelling of 3221142533 in words is "three billion, two hundred twenty-one million, one hundred forty-two thousand, five hundred thirty-three".