22453361 has 4 divisors (see below), whose sum is σ = 25660992. Its totient is φ = 19245732.

The previous prime is 22453351. The next prime is 22453367. The reversal of 22453361 is 16335422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16335422 = 2 ⋅8167711.

It is a cyclic number.

It is not a de Polignac number, because 22453361 - 2⁶ = 22453297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22453361.

It is not an unprimeable number, because it can be changed into a prime (22453367) 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 3 ways as a sum of consecutive naturals, for example, 1603805 + ... + 1603818.

It is an arithmetic number, because the mean of its divisors is an integer number (6415248).

Almost surely, 2^22453361 is an apocalyptic number.

It is an amenable number.

22453361 is a deficient number, since it is larger than the sum of its proper divisors (3207631).

22453361 is an equidigital number, since it uses as much as digits as its factorization.

22453361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207630.

The product of its digits is 4320, while the sum is 26.

The square root of 22453361 is about 4738.4977577287. The cubic root of 22453361 is about 282.1156116006.

Adding to 22453361 its reverse (16335422), we get a palindrome (38788783).

The spelling of 22453361 in words is "twenty-two million, four hundred fifty-three thousand, three hundred sixty-one".