6623822 has 4 divisors (see below), whose sum is σ = 9935736. Its totient is φ = 3311910.

The previous prime is 6623819. The next prime is 6623833. The reversal of 6623822 is 2283266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2283266 = 2 ⋅1141633.

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, 1655954 + ... + 1655957.

It is an arithmetic number, because the mean of its divisors is an integer number (2483934).

Almost surely, 2^6623822 is an apocalyptic number.

6623822 is a deficient number, since it is larger than the sum of its proper divisors (3311914).

6623822 is a wasteful number, since it uses less digits than its factorization.

6623822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311913.

The product of its digits is 6912, while the sum is 29.

The square root of 6623822 is about 2573.6786901243. The cubic root of 6623822 is about 187.8031552157.

The spelling of 6623822 in words is "six million, six hundred twenty-three thousand, eight hundred twenty-two".