8922540 has 72 divisors (see below), whose sum is σ = 27483120. Its totient is φ = 2161280.

The previous prime is 8922539. The next prime is 8922547. The reversal of 8922540 is 452298.

It is a super-2 number, since 2×8922540² = 159223440103200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8922498 and 8922507.

It is not an unprimeable number, because it can be changed into a prime (8922547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6646 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (381710).

Almost surely, 2^8922540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8922540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13741560).

8922540 is an abundant number, since it is smaller than the sum of its proper divisors (18560580).

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

8922540 is a wasteful number, since it uses less digits than its factorization.

8922540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8922540 is about 2987.0621017984. The cubic root of 8922540 is about 207.4099091173.

The spelling of 8922540 in words is "eight million, nine hundred twenty-two thousand, five hundred forty".