3622238 has 4 divisors (see below), whose sum is σ = 5433360. Its totient is φ = 1811118.

The previous prime is 3622231. The next prime is 3622253. The reversal of 3622238 is 8322263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8322263 = 43 ⋅193541.

It is a d-powerful number, because it can be written as 3⁷ + 6⁸ + 2¹¹ + 2¹⁴ + 2¹⁶ + 3¹³ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905558 + ... + 905561.

It is an arithmetic number, because the mean of its divisors is an integer number (1358340).

Almost surely, 2^3622238 is an apocalyptic number.

3622238 is a deficient number, since it is larger than the sum of its proper divisors (1811122).

3622238 is a wasteful number, since it uses less digits than its factorization.

3622238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811121.

The product of its digits is 3456, while the sum is 26.

The square root of 3622238 is about 1903.2178015141. The cubic root of 3622238 is about 153.5768164789.

The spelling of 3622238 in words is "three million, six hundred twenty-two thousand, two hundred thirty-eight".