22132860 has 24 divisors (see below), whose sum is σ = 61972176. Its totient is φ = 5902080.

The previous prime is 22132811. The next prime is 22132871. The reversal of 22132860 is 6823122.

It is a self number, because there is not a number n which added to its sum of digits gives 22132860.

It is a congruent number.

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, 184381 + ... + 184500.

It is an arithmetic number, because the mean of its divisors is an integer number (2582174).

Almost surely, 2^22132860 is an apocalyptic number.

22132860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132860 is an abundant number, since it is smaller than the sum of its proper divisors (39839316).

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

22132860 is a wasteful number, since it uses less digits than its factorization.

22132860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368893 (or 368891 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22132860 is about 4704.5573649388. The cubic root of 22132860 is about 280.7668604002.

Adding to 22132860 its reverse (6823122), we get a palindrome (28955982).

The spelling of 22132860 in words is "twenty-two million, one hundred thirty-two thousand, eight hundred sixty".