3647221467 has 8 divisors (see below), whose sum is σ = 4945385280. Its totient is φ = 2390269320.

The previous prime is 3647221427. The next prime is 3647221483. The reversal of 3647221467 is 7641227463.

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

It is not a de Polignac number, because 3647221467 - 2¹⁹ = 3646697179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3647221427) 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, 10302709 + ... + 10303062.

It is an arithmetic number, because the mean of its divisors is an integer number (618173160).

Almost surely, 2^3647221467 is an apocalyptic number.

3647221467 is a deficient number, since it is larger than the sum of its proper divisors (1298163813).

3647221467 is a wasteful number, since it uses less digits than its factorization.

3647221467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20605833.

The product of its digits is 338688, while the sum is 42.

The square root of 3647221467 is about 60392.2301873345. The cubic root of 3647221467 is about 1539.2909350290.

The spelling of 3647221467 in words is "three billion, six hundred forty-seven million, two hundred twenty-one thousand, four hundred sixty-seven".