22153441 has 8 divisors (see below), whose sum is σ = 22468968. Its totient is φ = 21840000.

The previous prime is 22153423. The next prime is 22153451. The reversal of 22153441 is 14435122.

It can be written as a sum of positive squares in 4 ways, for example, as 1030225 + 21123216 = 1015^2 + 4596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22153441 - 2¹⁵ = 22120673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22153451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42261 + ... + 42781.

It is an arithmetic number, because the mean of its divisors is an integer number (2808621).

Almost surely, 2^22153441 is an apocalyptic number.

It is an amenable number.

22153441 is a deficient number, since it is larger than the sum of its proper divisors (315527).

22153441 is a wasteful number, since it uses less digits than its factorization.

22153441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 960, while the sum is 22.

The square root of 22153441 is about 4706.7442037995. The cubic root of 22153441 is about 280.8538603418.

Adding to 22153441 its reverse (14435122), we get a palindrome (36588563).

The spelling of 22153441 in words is "twenty-two million, one hundred fifty-three thousand, four hundred forty-one".