6605422 has 4 divisors (see below), whose sum is σ = 9908136. Its totient is φ = 3302710.

The previous prime is 6605411. The next prime is 6605429. The reversal of 6605422 is 2245066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2245066 = 2 ⋅1122533.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651354 + ... + 1651357.

It is an arithmetic number, because the mean of its divisors is an integer number (2477034).

Almost surely, 2^6605422 is an apocalyptic number.

6605422 is a deficient number, since it is larger than the sum of its proper divisors (3302714).

6605422 is a wasteful number, since it uses less digits than its factorization.

6605422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302713.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6605422 is about 2570.1015544138. The cubic root of 6605422 is about 187.6290974638.

The spelling of 6605422 in words is "six million, six hundred five thousand, four hundred twenty-two".