22113130 has 16 divisors (see below), whose sum is σ = 42865704. Its totient is φ = 8164800.

The previous prime is 22113121. The next prime is 22113151. The reversal of 22113130 is 3131122.

It can be written as a sum of positive squares in 4 ways, for example, as 9715689 + 12397441 = 3117^2 + 3521^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 22113130.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84921 + ... + 85180.

Almost surely, 2^22113130 is an apocalyptic number.

22113130 is a deficient number, since it is larger than the sum of its proper divisors (20752574).

22113130 is a wasteful number, since it uses less digits than its factorization.

22113130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170121.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 22113130 is about 4702.4599945135. The cubic root of 22113130 is about 280.6834071545.

Adding to 22113130 its reverse (3131122), we get a palindrome (25244252).

The spelling of 22113130 in words is "twenty-two million, one hundred thirteen thousand, one hundred thirty".