9140022 has 12 divisors (see below), whose sum is σ = 19803420. Its totient is φ = 3046668.

The previous prime is 9140011. The next prime is 9140029. The reversal of 9140022 is 2200419.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 507779 = 9140022 / (9 + 1 + 4 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 9139977 and 9140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253872 + ... + 253907.

It is an arithmetic number, because the mean of its divisors is an integer number (1650285).

Almost surely, 2^9140022 is an apocalyptic number.

9140022 is an abundant number, since it is smaller than the sum of its proper divisors (10663398).

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

9140022 is a wasteful number, since it uses less digits than its factorization.

9140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507787 (or 507784 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 9140022 is about 3023.2469300406. The cubic root of 9140022 is about 209.0815673320.

The spelling of 9140022 in words is "nine million, one hundred forty thousand, twenty-two".