22533073 has 4 divisors (see below), whose sum is σ = 22568868. Its totient is φ = 22497280.

The previous prime is 22533059. The next prime is 22533083. The reversal of 22533073 is 37033522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8485569 + 14047504 = 2913^2 + 3748^2 .

It is a cyclic number.

It is not a de Polignac number, because 22533073 - 2⁹ = 22532561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22533013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16936 + ... + 18217.

It is an arithmetic number, because the mean of its divisors is an integer number (5642217).

Almost surely, 2^22533073 is an apocalyptic number.

It is an amenable number.

22533073 is a deficient number, since it is larger than the sum of its proper divisors (35795).

22533073 is an equidigital number, since it uses as much as digits as its factorization.

22533073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35794.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 22533073 is about 4746.9014103939. The cubic root of 22533073 is about 282.4490648765.

Adding to 22533073 its reverse (37033522), we get a palindrome (59566595).

The spelling of 22533073 in words is "twenty-two million, five hundred thirty-three thousand, seventy-three".