3220661432 has 8 divisors (see below), whose sum is σ = 6038740200. Its totient is φ = 1610330712.

The previous prime is 3220661399. The next prime is 3220661447. The reversal of 3220661432 is 2341660223.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3220661432³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220661395 and 3220661404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201291332 + ... + 201291347.

It is an arithmetic number, because the mean of its divisors is an integer number (754842525).

Almost surely, 2^3220661432 is an apocalyptic number.

It is an amenable number.

3220661432 is a deficient number, since it is larger than the sum of its proper divisors (2818078768).

3220661432 is a wasteful number, since it uses less digits than its factorization.

3220661432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402582685 (or 402582681 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 3220661432 is about 56750.8716408832. The cubic root of 3220661432 is about 1476.7773548373. Note that the first 3 decimals are identical.

The spelling of 3220661432 in words is "three billion, two hundred twenty million, six hundred sixty-one thousand, four hundred thirty-two".