3822217 has 4 divisors (see below), whose sum is σ = 4368256. Its totient is φ = 3276180.

The previous prime is 3822191. The next prime is 3822223. The reversal of 3822217 is 7122283.

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 a de Polignac number, because none of the positive numbers 2^k-3822217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3822191 and 3822200.

It is not an unprimeable number, because it can be changed into a prime (3822277) 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, 273009 + ... + 273022.

It is an arithmetic number, because the mean of its divisors is an integer number (1092064).

Almost surely, 2^3822217 is an apocalyptic number.

It is an amenable number.

3822217 is a deficient number, since it is larger than the sum of its proper divisors (546039).

3822217 is an equidigital number, since it uses as much as digits as its factorization.

3822217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546038.

The product of its digits is 1344, while the sum is 25.

The square root of 3822217 is about 1955.0491042427. The cubic root of 3822217 is about 156.3526020513.

The spelling of 3822217 in words is "three million, eight hundred twenty-two thousand, two hundred seventeen".