8220614 has 16 divisors (see below), whose sum is σ = 12953952. Its totient is φ = 3905088.

The previous prime is 8220581. The next prime is 8220631. The reversal of 8220614 is 4160228.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 8220614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7442 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (809622).

Almost surely, 2^8220614 is an apocalyptic number.

8220614 is a deficient number, since it is larger than the sum of its proper divisors (4733338).

8220614 is a wasteful number, since it uses less digits than its factorization.

8220614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8220614 is about 2867.1613139131. The cubic root of 8220614 is about 201.8218047496.

The spelling of 8220614 in words is "eight million, two hundred twenty thousand, six hundred fourteen".