22134700 has 72 divisors (see below), whose sum is σ = 55607552. Its totient is φ = 7490880.

The previous prime is 22134691. The next prime is 22134701. The reversal of 22134700 is 743122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71947 + ... + 72253.

Almost surely, 2^22134700 is an apocalyptic number.

22134700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22134700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27803776).

22134700 is an abundant number, since it is smaller than the sum of its proper divisors (33472852).

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

22134700 is a wasteful number, since it uses less digits than its factorization.

22134700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22134700 is about 4704.7529159351. The cubic root of 22134700 is about 280.7746406375.

Adding to 22134700 its reverse (743122), we get a palindrome (22877822).

The spelling of 22134700 in words is "twenty-two million, one hundred thirty-four thousand, seven hundred".