3221899605 has 32 divisors (see below), whose sum is σ = 5733025920. Its totient is φ = 1716785280.

The previous prime is 3221899531. The next prime is 3221899613. The reversal of 3221899605 is 5069981223.

3221899605 is a `hidden beast` number, since 3 + 22 + 18 + 9 + 9 + 605 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-3221899605 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146745 + ... + 167265.

It is an arithmetic number, because the mean of its divisors is an integer number (179157060).

Almost surely, 2^3221899605 is an apocalyptic number.

It is an amenable number.

3221899605 is a deficient number, since it is larger than the sum of its proper divisors (2511126315).

3221899605 is a wasteful number, since it uses less digits than its factorization.

3221899605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21698 (or 21692 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 3221899605 is about 56761.7794382805. The cubic root of 3221899605 is about 1476.9665780362.

The spelling of 3221899605 in words is "three billion, two hundred twenty-one million, eight hundred ninety-nine thousand, six hundred five".