3227996021 has 4 divisors (see below), whose sum is σ = 3252637344. Its totient is φ = 3203354700.

The previous prime is 3227995997. The next prime is 3227996033. The reversal of 3227996021 is 1206997223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1206997223 = 15217 ⋅79319.

It is a cyclic number.

It is not a de Polignac number, because 3227996021 - 2¹⁴ = 3227979637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3227996021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3227992021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12320465 + ... + 12320726.

It is an arithmetic number, because the mean of its divisors is an integer number (813159336).

Almost surely, 2^3227996021 is an apocalyptic number.

It is an amenable number.

3227996021 is a deficient number, since it is larger than the sum of its proper divisors (24641323).

3227996021 is a wasteful number, since it uses less digits than its factorization.

3227996021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24641322.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3227996021 is about 56815.4558284979. The cubic root of 3227996021 is about 1477.8975536046.

The spelling of 3227996021 in words is "three billion, two hundred twenty-seven million, nine hundred ninety-six thousand, twenty-one".