8999122 has 16 divisors (see below), whose sum is σ = 15501600. Its totient is φ = 3875040.

The previous prime is 8999113. The next prime is 8999143. The reversal of 8999122 is 2219998.

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, 10347 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (968850).

Almost surely, 2^8999122 is an apocalyptic number.

8999122 is a deficient number, since it is larger than the sum of its proper divisors (6502478).

8999122 is a wasteful number, since it uses less digits than its factorization.

8999122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21561.

The product of its digits is 23328, while the sum is 40.

The square root of 8999122 is about 2999.8536630976. The cubic root of 8999122 is about 208.0016179608.

The spelling of 8999122 in words is "eight million, nine hundred ninety-nine thousand, one hundred twenty-two".