3221502649 has 8 divisors (see below), whose sum is σ = 3421067040. Its totient is φ = 3024939456.

The previous prime is 3221502593. The next prime is 3221502677. The reversal of 3221502649 is 9462051223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221502649 - 2¹⁷ = 3221371577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221502679) 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, 748087 + ... + 752380.

It is an arithmetic number, because the mean of its divisors is an integer number (427633380).

Almost surely, 2^3221502649 is an apocalyptic number.

It is an amenable number.

3221502649 is a deficient number, since it is larger than the sum of its proper divisors (199564391).

3221502649 is a wasteful number, since it uses less digits than its factorization.

3221502649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500599.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3221502649 is about 56758.2826466763. The cubic root of 3221502649 is about 1476.9059187051.

The spelling of 3221502649 in words is "three billion, two hundred twenty-one million, five hundred two thousand, six hundred forty-nine".