22134750 has 64 divisors (see below), whose sum is σ = 60293376. Its totient is φ = 5364000.

The previous prime is 22134733. The next prime is 22134781. The reversal of 22134750 is 5743122.

It is a self number, because there is not a number n which added to its sum of digits gives 22134750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6909 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (942084).

Almost surely, 2^22134750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22134750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30146688).

22134750 is an abundant number, since it is smaller than the sum of its proper divisors (38158626).

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

22134750 is a wasteful number, since it uses less digits than its factorization.

22134750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2704 counting only the distinct ones).

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

The square root of 22134750 is about 4704.7582297075. The cubic root of 22134750 is about 280.7748520510.

Adding to 22134750 its reverse (5743122), we get a palindrome (27877872).

The spelling of 22134750 in words is "twenty-two million, one hundred thirty-four thousand, seven hundred fifty".