6422658 has 32 divisors (see below), whose sum is σ = 14625792. Its totient is φ = 1861200.

The previous prime is 6422657. The next prime is 6422677. The reversal of 6422658 is 8562246.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6422657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (457056).

Almost surely, 2^6422658 is an apocalyptic number.

6422658 is an abundant number, since it is smaller than the sum of its proper divisors (8203134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6422658 is a wasteful number, since it uses less digits than its factorization.

6422658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270.

The product of its digits is 23040, while the sum is 33.

The square root of 6422658 is about 2534.2963520473. The cubic root of 6422658 is about 185.8823976212.

It can be divided in two parts, 64 and 22658, that added together give a palindrome (22722).

The spelling of 6422658 in words is "six million, four hundred twenty-two thousand, six hundred fifty-eight".