22133830 has 16 divisors (see below), whose sum is σ = 42184800. Its totient is φ = 8332672.

The previous prime is 22133827. The next prime is 22133831. The reversal of 22133830 is 3833122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64930 + ... + 65269.

It is an arithmetic number, because the mean of its divisors is an integer number (2636550).

Almost surely, 2^22133830 is an apocalyptic number.

22133830 is a deficient number, since it is larger than the sum of its proper divisors (20050970).

22133830 is a wasteful number, since it uses less digits than its factorization.

22133830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130223.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22133830 is about 4704.6604553358. The cubic root of 22133830 is about 280.7709619921.

Adding to 22133830 its reverse (3833122), we get a palindrome (25966952).

The spelling of 22133830 in words is "twenty-two million, one hundred thirty-three thousand, eight hundred thirty".