22242235 has 4 divisors (see below), whose sum is σ = 26690688. Its totient is φ = 17793784.

The previous prime is 22242211. The next prime is 22242251. The reversal of 22242235 is 53224222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22242235 - 2⁵ = 22242203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224219 + ... + 2224228.

It is an arithmetic number, because the mean of its divisors is an integer number (6672672).

Almost surely, 2^22242235 is an apocalyptic number.

22242235 is a deficient number, since it is larger than the sum of its proper divisors (4448453).

22242235 is an equidigital number, since it uses as much as digits as its factorization.

22242235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448452.

The product of its digits is 1920, while the sum is 22.

The square root of 22242235 is about 4716.1674058498. The cubic root of 22242235 is about 281.2285935971.

Adding to 22242235 its reverse (53224222), we get a palindrome (75466457).

The spelling of 22242235 in words is "twenty-two million, two hundred forty-two thousand, two hundred thirty-five".