8622140 has 12 divisors (see below), whose sum is σ = 18106536. Its totient is φ = 3448848.

The previous prime is 8622137. The next prime is 8622191. The reversal of 8622140 is 412268.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215534 + ... + 215573.

It is an arithmetic number, because the mean of its divisors is an integer number (1508878).

Almost surely, 2^8622140 is an apocalyptic number.

It is an amenable number.

8622140 is an abundant number, since it is smaller than the sum of its proper divisors (9484396).

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

8622140 is a wasteful number, since it uses less digits than its factorization.

8622140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431116 (or 431114 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8622140 is about 2936.3480720105. The cubic root of 8622140 is about 205.0556263878.

The spelling of 8622140 in words is "eight million, six hundred twenty-two thousand, one hundred forty".