22522235 has 4 divisors (see below), whose sum is σ = 27026688. Its totient is φ = 18017784.

The previous prime is 22522219. The next prime is 22522271. The reversal of 22522235 is 53222522.

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 22522235 - 2⁴ = 22522219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22522235.

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, 2252219 + ... + 2252228.

It is an arithmetic number, because the mean of its divisors is an integer number (6756672).

Almost surely, 2^22522235 is an apocalyptic number.

22522235 is a deficient number, since it is larger than the sum of its proper divisors (4504453).

22522235 is an equidigital number, since it uses as much as digits as its factorization.

22522235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504452.

The product of its digits is 2400, while the sum is 23.

The square root of 22522235 is about 4745.7596862884. The cubic root of 22522235 is about 282.4037733193.

Adding to 22522235 its reverse (53222522), we get a palindrome (75744757).

The spelling of 22522235 in words is "twenty-two million, five hundred twenty-two thousand, two hundred thirty-five".