22252435 has 4 divisors (see below), whose sum is σ = 26702928. Its totient is φ = 17801944.

The previous prime is 22252427. The next prime is 22252481. The reversal of 22252435 is 53425222.

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 22252435 - 2³ = 22252427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2225239 + ... + 2225248.

It is an arithmetic number, because the mean of its divisors is an integer number (6675732).

Almost surely, 2^22252435 is an apocalyptic number.

22252435 is a deficient number, since it is larger than the sum of its proper divisors (4450493).

22252435 is an equidigital number, since it uses as much as digits as its factorization.

22252435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450492.

The product of its digits is 4800, while the sum is 25.

The square root of 22252435 is about 4717.2486684507. The cubic root of 22252435 is about 281.2715762871.

Adding to 22252435 its reverse (53425222), we get a palindrome (75677657).

The spelling of 22252435 in words is "twenty-two million, two hundred fifty-two thousand, four hundred thirty-five".