6422636 has 12 divisors (see below), whose sum is σ = 12261480. Its totient is φ = 2919360.

The previous prime is 6422599. The next prime is 6422639. The reversal of 6422636 is 6362246.

It is a junction number, because it is equal to n+sod(n) for n = 6422599 and 6422608.

It is not an unprimeable number, because it can be changed into a prime (6422639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72941 + ... + 73028.

It is an arithmetic number, because the mean of its divisors is an integer number (1021790).

Almost surely, 2^6422636 is an apocalyptic number.

It is an amenable number.

6422636 is a deficient number, since it is larger than the sum of its proper divisors (5838844).

6422636 is a wasteful number, since it uses less digits than its factorization.

6422636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145984 (or 145982 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 6422636 is about 2534.2920115882. The cubic root of 6422636 is about 185.8821853821.

The spelling of 6422636 in words is "six million, four hundred twenty-two thousand, six hundred thirty-six".