8418622 has 4 divisors (see below), whose sum is σ = 12627936. Its totient is φ = 4209310.

The previous prime is 8418601. The next prime is 8418623. The reversal of 8418622 is 2268148.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104654 + ... + 2104657.

It is an arithmetic number, because the mean of its divisors is an integer number (3156984).

Almost surely, 2^8418622 is an apocalyptic number.

8418622 is a deficient number, since it is larger than the sum of its proper divisors (4209314).

8418622 is a wasteful number, since it uses less digits than its factorization.

8418622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209313.

The product of its digits is 6144, while the sum is 31.

The square root of 8418622 is about 2901.4861709131. The cubic root of 8418622 is about 203.4293774222.

The spelling of 8418622 in words is "eight million, four hundred eighteen thousand, six hundred twenty-two".