22134660 has 24 divisors (see below), whose sum is σ = 61977216. Its totient is φ = 5902560.

The previous prime is 22134659. The next prime is 22134661. The reversal of 22134660 is 6643122.

It is an interprime number because it is at equal distance from previous prime (22134659) and next prime (22134661).

It is a self number, because there is not a number n which added to its sum of digits gives 22134660.

It is not an unprimeable number, because it can be changed into a prime (22134661) 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 7 ways as a sum of consecutive naturals, for example, 184396 + ... + 184515.

It is an arithmetic number, because the mean of its divisors is an integer number (2582384).

Almost surely, 2^22134660 is an apocalyptic number.

22134660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22134660 is an abundant number, since it is smaller than the sum of its proper divisors (39842556).

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

22134660 is a wasteful number, since it uses less digits than its factorization.

22134660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368923 (or 368921 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22134660 is about 4704.7486649129. The cubic root of 22134660 is about 280.7744715065.

Adding to 22134660 its reverse (6643122), we get a palindrome (28777782).

The spelling of 22134660 in words is "twenty-two million, one hundred thirty-four thousand, six hundred sixty".