22133012 has 24 divisors (see below), whose sum is σ = 43055712. Its totient is φ = 9869600.

The previous prime is 22132987. The next prime is 22133017. The reversal of 22133012 is 21033122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414 + ... + 7077.

It is an arithmetic number, because the mean of its divisors is an integer number (1793988).

Almost surely, 2^22133012 is an apocalyptic number.

22133012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22133012 is a deficient number, since it is larger than the sum of its proper divisors (20922700).

22133012 is a wasteful number, since it uses less digits than its factorization.

22133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22133012 is about 4704.5735194595. The cubic root of 22133012 is about 280.7675031318.

Adding to 22133012 its reverse (21033122), we get a palindrome (43166134).

It can be divided in two parts, 2213 and 3012, that added together give a palindrome (5225).

The spelling of 22133012 in words is "twenty-two million, one hundred thirty-three thousand, twelve".