22133874 has 16 divisors (see below), whose sum is σ = 50591808. Its totient is φ = 6323952.

The previous prime is 22133869. The next prime is 22133893. The reversal of 22133874 is 47833122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263457 + ... + 263540.

It is an arithmetic number, because the mean of its divisors is an integer number (3161988).

Almost surely, 2^22133874 is an apocalyptic number.

22133874 is an abundant number, since it is smaller than the sum of its proper divisors (28457934).

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

22133874 is a wasteful number, since it uses less digits than its factorization.

22133874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527009.

The product of its digits is 8064, while the sum is 30.

The square root of 22133874 is about 4704.6651315476. The cubic root of 22133874 is about 280.7711480409.

Adding to 22133874 its reverse (47833122), we get a palindrome (69966996).

The spelling of 22133874 in words is "twenty-two million, one hundred thirty-three thousand, eight hundred seventy-four".