22252535 has 4 divisors (see below), whose sum is σ = 26703048. Its totient is φ = 17802024.

The previous prime is 22252519. The next prime is 22252537. The reversal of 22252535 is 53525222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53525222 = 2 ⋅26762611.

It is a cyclic number.

It is not a de Polignac number, because 22252535 - 2⁴ = 22252519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252537) 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, 2225249 + ... + 2225258.

It is an arithmetic number, because the mean of its divisors is an integer number (6675762).

Almost surely, 2^22252535 is an apocalyptic number.

22252535 is a deficient number, since it is larger than the sum of its proper divisors (4450513).

22252535 is an equidigital number, since it uses as much as digits as its factorization.

22252535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450512.

The product of its digits is 6000, while the sum is 26.

The square root of 22252535 is about 4717.2592678376. The cubic root of 22252535 is about 281.2719976210.

Adding to 22252535 its reverse (53525222), we get a palindrome (75777757).

The spelling of 22252535 in words is "twenty-two million, two hundred fifty-two thousand, five hundred thirty-five".