22133541 has 16 divisors (see below), whose sum is σ = 31420224. Its totient is φ = 13810944.

The previous prime is 22133539. The next prime is 22133543. The reversal of 22133541 is 14533122.

It is an interprime number because it is at equal distance from previous prime (22133539) and next prime (22133543).

It is not a de Polignac number, because 22133541 - 2¹ = 22133539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8946 + ... + 11148.

It is an arithmetic number, because the mean of its divisors is an integer number (1963764).

Almost surely, 2^22133541 is an apocalyptic number.

It is an amenable number.

22133541 is a deficient number, since it is larger than the sum of its proper divisors (9286683).

22133541 is a wasteful number, since it uses less digits than its factorization.

22133541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its digits is 720, while the sum is 21.

The square root of 22133541 is about 4704.6297410104. The cubic root of 22133541 is about 280.7697399840.

Adding to 22133541 its reverse (14533122), we get a palindrome (36666663).

The spelling of 22133541 in words is "twenty-two million, one hundred thirty-three thousand, five hundred forty-one".