8722006 has 4 divisors (see below), whose sum is σ = 13083012. Its totient is φ = 4361002.

The previous prime is 8722001. The next prime is 8722009. The reversal of 8722006 is 6002278.

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 (8722001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2180500 + ... + 2180503.

It is an arithmetic number, because the mean of its divisors is an integer number (3270753).

Almost surely, 2^8722006 is an apocalyptic number.

8722006 is a deficient number, since it is larger than the sum of its proper divisors (4361006).

8722006 is a wasteful number, since it uses less digits than its factorization.

8722006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361005.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8722006 is about 2953.3042511736. The cubic root of 8722006 is about 205.8442754359.

The spelling of 8722006 in words is "eight million, seven hundred twenty-two thousand, six".