22547130 has 64 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 5603840.

The previous prime is 22547099. The next prime is 22547131. The reversal of 22547130 is 3174522.

It is a self number, because there is not a number n which added to its sum of digits gives 22547130.

It is not an unprimeable number, because it can be changed into a prime (22547131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27892 + ... + 28688.

It is an arithmetic number, because the mean of its divisors is an integer number (904932).

Almost surely, 2^22547130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22547130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28957824).

22547130 is an abundant number, since it is smaller than the sum of its proper divisors (35368518).

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

22547130 is a wasteful number, since it uses less digits than its factorization.

22547130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22547130 is about 4748.3818296342. The cubic root of 22547130 is about 282.5077868739.

The spelling of 22547130 in words is "twenty-two million, five hundred forty-seven thousand, one hundred thirty".