22130136 has 96 divisors (see below), whose sum is σ = 72134400. Its totient is φ = 5987520.

The previous prime is 22130113. The next prime is 22130137. The reversal of 22130136 is 63103122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8421 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (751400).

Almost surely, 2^22130136 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 22130136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36067200).

22130136 is an abundant number, since it is smaller than the sum of its proper divisors (50004264).

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

22130136 is a wasteful number, since it uses less digits than its factorization.

22130136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 22130136 is about 4704.2678495171. The cubic root of 22130136 is about 280.7553414746.

Adding to 22130136 its reverse (63103122), we get a palindrome (85233258).

The spelling of 22130136 in words is "twenty-two million, one hundred thirty thousand, one hundred thirty-six".