8220958 has 16 divisors (see below), whose sum is σ = 13259520. Its totient is φ = 3810456.

The previous prime is 8220937. The next prime is 8221009. The reversal of 8220958 is 8590228.

It is an Ulam number.

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, 516 + ... + 4087.

It is an arithmetic number, because the mean of its divisors is an integer number (828720).

Almost surely, 2^8220958 is an apocalyptic number.

8220958 is a deficient number, since it is larger than the sum of its proper divisors (5038562).

8220958 is a wasteful number, since it uses less digits than its factorization.

8220958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8220958 is about 2867.2213029343. The cubic root of 8220958 is about 201.8246198569.

The spelling of 8220958 in words is "eight million, two hundred twenty thousand, nine hundred fifty-eight".