3622243 has 4 divisors (see below), whose sum is σ = 3699360. Its totient is φ = 3545128.

The previous prime is 3622231. The next prime is 3622253. The reversal of 3622243 is 3422263.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3622243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3622253) 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, 38488 + ... + 38581.

It is an arithmetic number, because the mean of its divisors is an integer number (924840).

Almost surely, 2^3622243 is an apocalyptic number.

3622243 is a deficient number, since it is larger than the sum of its proper divisors (77117).

3622243 is an equidigital number, since it uses as much as digits as its factorization.

3622243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77116.

The product of its digits is 1728, while the sum is 22.

The square root of 3622243 is about 1903.2191150785. The cubic root of 3622243 is about 153.5768871428.

The spelling of 3622243 in words is "three million, six hundred twenty-two thousand, two hundred forty-three".