22134788 has 24 divisors (see below), whose sum is σ = 42006720. Its totient is φ = 10144800.

The previous prime is 22134787. The next prime is 22134797. The reversal of 22134788 is 88743122.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22134781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (1750280).

Almost surely, 2^22134788 is an apocalyptic number.

It is an amenable number.

22134788 is a deficient number, since it is larger than the sum of its proper divisors (19871932).

22134788 is a wasteful number, since it uses less digits than its factorization.

22134788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 22134788 is about 4704.7622681704. The cubic root of 22134788 is about 280.7750127250.

It can be divided in two parts, 22134 and 788, that added together give a palindrome (22922).

The spelling of 22134788 in words is "twenty-two million, one hundred thirty-four thousand, seven hundred eighty-eight".