22134861 has 12 divisors (see below), whose sum is σ = 36540192. Its totient is φ = 12648456.

The previous prime is 22134851. The next prime is 22134877. The reversal of 22134861 is 16843122.

It is not a de Polignac number, because 22134861 - 2⁶ = 22134797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175611 + ... + 175736.

It is an arithmetic number, because the mean of its divisors is an integer number (3045016).

Almost surely, 2^22134861 is an apocalyptic number.

22134861 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22134861 is a deficient number, since it is larger than the sum of its proper divisors (14405331).

22134861 is a wasteful number, since it uses less digits than its factorization.

22134861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351360 (or 351357 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 22134861 is about 4704.7700262606. The cubic root of 22134861 is about 280.7753213878.

Adding to 22134861 its reverse (16843122), we get a palindrome (38977983).

The spelling of 22134861 in words is "twenty-two million, one hundred thirty-four thousand, eight hundred sixty-one".