8722130 has 16 divisors (see below), whose sum is σ = 15799104. Its totient is φ = 3466800.

The previous prime is 8722123. The next prime is 8722169. The reversal of 8722130 is 312278.

It is a junction number, because it is equal to n+sod(n) for n = 8722096 and 8722105.

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, 1046 + ... + 4305.

It is an arithmetic number, because the mean of its divisors is an integer number (987444).

Almost surely, 2^8722130 is an apocalyptic number.

8722130 is a deficient number, since it is larger than the sum of its proper divisors (7076974).

8722130 is a wasteful number, since it uses less digits than its factorization.

8722130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8722130 is about 2953.3252445337. The cubic root of 8722130 is about 205.8452509213.

The spelling of 8722130 in words is "eight million, seven hundred twenty-two thousand, one hundred thirty".