3221142534 has 24 divisors (see below), whose sum is σ = 6994299312. Its totient is φ = 1071382320.

The previous prime is 3221142527. The next prime is 3221142553. The reversal of 3221142534 is 4352411223.

It is a junction number, because it is equal to n+sod(n) for n = 3221142498 and 3221142507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185794 + ... + 202389.

It is an arithmetic number, because the mean of its divisors is an integer number (291429138).

Almost surely, 2^3221142534 is an apocalyptic number.

3221142534 is an abundant number, since it is smaller than the sum of its proper divisors (3773156778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221142534 is a wasteful number, since it uses less digits than its factorization.

3221142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388652 (or 388649 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 3221142534 is about 56755.1102016374. The cubic root of 3221142534 is about 1476.8508847813.

Adding to 3221142534 its reverse (4352411223), we get a palindrome (7573553757).

The spelling of 3221142534 in words is "three billion, two hundred twenty-one million, one hundred forty-two thousand, five hundred thirty-four".