3815822 has 4 divisors (see below), whose sum is σ = 5723736. Its totient is φ = 1907910.

The previous prime is 3815813. The next prime is 3815843. The reversal of 3815822 is 2285183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2285183 = 1481 ⋅1543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953954 + ... + 953957.

It is an arithmetic number, because the mean of its divisors is an integer number (1430934).

Almost surely, 2^3815822 is an apocalyptic number.

3815822 is a deficient number, since it is larger than the sum of its proper divisors (1907914).

3815822 is a wasteful number, since it uses less digits than its factorization.

3815822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907913.

The product of its digits is 3840, while the sum is 29.

The square root of 3815822 is about 1953.4129107795. The cubic root of 3815822 is about 156.2653548643.

The spelling of 3815822 in words is "three million, eight hundred fifteen thousand, eight hundred twenty-two".