8623722 has 8 divisors (see below), whose sum is σ = 17247456. Its totient is φ = 2874572.

The previous prime is 8623721. The next prime is 8623729. The reversal of 8623722 is 2273268.

It is a sphenic number, since it is the product of 3 distinct primes.

8623722 is an admirable number.

It is a super-2 number, since 2×8623722² = 148737162266568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁴ + 6⁸ + 2¹¹ + 3¹⁰ + 7⁸ + 2¹⁶ + 2²⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 8623722.

It is not an unprimeable number, because it can be changed into a prime (8623721) 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 in 3 ways as a sum of consecutive naturals, for example, 718638 + ... + 718649.

It is an arithmetic number, because the mean of its divisors is an integer number (2155932).

Almost surely, 2^8623722 is an apocalyptic number.

8623722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8623722 is a wasteful number, since it uses less digits than its factorization.

8623722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437292.

The product of its digits is 8064, while the sum is 30.

The square root of 8623722 is about 2936.6174418879. The cubic root of 8623722 is about 205.0681669002.

The spelling of 8623722 in words is "eight million, six hundred twenty-three thousand, seven hundred twenty-two".