3822543217 has 4 divisors (see below), whose sum is σ = 3870929920. Its totient is φ = 3774156516.

The previous prime is 3822543199. The next prime is 3822543247. The reversal of 3822543217 is 7123452283.

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.

It is a cyclic number.

It is not a de Polignac number, because 3822543217 - 2¹¹ = 3822541169 is a prime.

It is a super-2 number, since 2×3822543217² = 29223673291665418178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3822543247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24193233 + ... + 24193390.

It is an arithmetic number, because the mean of its divisors is an integer number (967732480).

Almost surely, 2^3822543217 is an apocalyptic number.

It is an amenable number.

3822543217 is a deficient number, since it is larger than the sum of its proper divisors (48386703).

3822543217 is an equidigital number, since it uses as much as digits as its factorization.

3822543217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48386702.

The product of its digits is 80640, while the sum is 37.

The square root of 3822543217 is about 61826.7192805829. The cubic root of 3822543217 is about 1563.5705003055.

The spelling of 3822543217 in words is "three billion, eight hundred twenty-two million, five hundred forty-three thousand, two hundred seventeen".