22281153 has 4 divisors (see below), whose sum is σ = 29708208. Its totient is φ = 14854100.

The previous prime is 22281151. The next prime is 22281179. The reversal of 22281153 is 35118222.

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.

It is a cyclic number.

It is not a de Polignac number, because 22281153 - 2¹ = 22281151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22281151) 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, 3713523 + ... + 3713528.

It is an arithmetic number, because the mean of its divisors is an integer number (7427052).

Almost surely, 2^22281153 is an apocalyptic number.

It is an amenable number.

22281153 is a deficient number, since it is larger than the sum of its proper divisors (7427055).

22281153 is an equidigital number, since it uses as much as digits as its factorization.

22281153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427054.

The product of its digits is 960, while the sum is 24.

The square root of 22281153 is about 4720.2916223471. The cubic root of 22281153 is about 281.3925231224.

Adding to 22281153 its reverse (35118222), we get a palindrome (57399375).

The spelling of 22281153 in words is "twenty-two million, two hundred eighty-one thousand, one hundred fifty-three".