22190833 has 4 divisors (see below), whose sum is σ = 25360960. Its totient is φ = 19020708.

The previous prime is 22190821. The next prime is 22190893. The reversal of 22190833 is 33809122.

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: 33809122 = 2 ⋅16904561.

It is not a de Polignac number, because 22190833 - 2⁵ = 22190801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22190813) 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, 1585053 + ... + 1585066.

It is an arithmetic number, because the mean of its divisors is an integer number (6340240).

Almost surely, 2^22190833 is an apocalyptic number.

It is an amenable number.

22190833 is a deficient number, since it is larger than the sum of its proper divisors (3170127).

22190833 is an equidigital number, since it uses as much as digits as its factorization.

22190833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170126.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22190833 is about 4710.7147016138. The cubic root of 22190833 is about 281.0117859150.

Adding to 22190833 its reverse (33809122), we get a palindrome (55999955).

The spelling of 22190833 in words is "twenty-two million, one hundred ninety thousand, eight hundred thirty-three".