22133028 has 24 divisors (see below), whose sum is σ = 51847488. Its totient is φ = 7348576.

The previous prime is 22133021. The next prime is 22133077. The reversal of 22133028 is 82033122.

It is a junction number, because it is equal to n+sod(n) for n = 22132995 and 22133013.

It is not an unprimeable number, because it can be changed into a prime (22133021) 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, 351 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (2160312).

Almost surely, 2^22133028 is an apocalyptic number.

It is an amenable number.

22133028 is an abundant number, since it is smaller than the sum of its proper divisors (29714460).

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

22133028 is a wasteful number, since it uses less digits than its factorization.

22133028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7281 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22133028 is about 4704.5752199322. The cubic root of 22133028 is about 280.7675707876.

The spelling of 22133028 in words is "twenty-two million, one hundred thirty-three thousand, twenty-eight".