22413533 has 4 divisors (see below), whose sum is σ = 22480380. Its totient is φ = 22346688.

The previous prime is 22413529. The next prime is 22413539. The reversal of 22413533 is 33531422.

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 12945604 + 9467929 = 3598^2 + 3077^2 .

It is a cyclic number.

It is not a de Polignac number, because 22413533 - 2² = 22413529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22413499 and 22413508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22413539) 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 3 ways as a sum of consecutive naturals, for example, 32918 + ... + 33591.

It is an arithmetic number, because the mean of its divisors is an integer number (5620095).

Almost surely, 2^22413533 is an apocalyptic number.

It is an amenable number.

22413533 is a deficient number, since it is larger than the sum of its proper divisors (66847).

22413533 is an equidigital number, since it uses as much as digits as its factorization.

22413533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66846.

The product of its digits is 2160, while the sum is 23.

The square root of 22413533 is about 4734.2932946745. The cubic root of 22413533 is about 281.9487063623.

Adding to 22413533 its reverse (33531422), we get a palindrome (55944955).

The spelling of 22413533 in words is "twenty-two million, four hundred thirteen thousand, five hundred thirty-three".