3221506160 has 40 divisors (see below), whose sum is σ = 7513688736. Its totient is φ = 1284527360.

The previous prime is 3221506129. The next prime is 3221506187. The reversal of 3221506160 is 616051223.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38156 + ... + 88875.

Almost surely, 2^3221506160 is an apocalyptic number.

It is an amenable number.

3221506160 is an abundant number, since it is smaller than the sum of its proper divisors (4292182576).

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

3221506160 is a wasteful number, since it uses less digits than its factorization.

3221506160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127361 (or 127355 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3221506160 is about 56758.3135760745. The cubic root of 3221506160 is about 1476.9064552472.

Adding to 3221506160 its reverse (616051223), we get a palindrome (3837557383).

The spelling of 3221506160 in words is "three billion, two hundred twenty-one million, five hundred six thousand, one hundred sixty".