22133475 has 144 divisors (see below), whose sum is σ = 51996672. Its totient is φ = 8743680.

The previous prime is 22133417. The next prime is 22133477. The reversal of 22133475 is 57433122.

It is not a de Polignac number, because 22133475 - 2¹³ = 22125283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22133477) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 470902 + ... + 470948.

It is an arithmetic number, because the mean of its divisors is an integer number (361088).

Almost surely, 2^22133475 is an apocalyptic number.

22133475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22133475 is an abundant number, since it is smaller than the sum of its proper divisors (29863197).

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

22133475 is a wasteful number, since it uses less digits than its factorization.

22133475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 98 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22133475 is about 4704.6227266381. The cubic root of 22133475 is about 280.7694609080.

Adding to 22133475 its reverse (57433122), we get a palindrome (79566597).

The spelling of 22133475 in words is "twenty-two million, one hundred thirty-three thousand, four hundred seventy-five".