22755245 has 4 divisors (see below), whose sum is σ = 27306300. Its totient is φ = 18204192.

The previous prime is 22755241. The next prime is 22755263. The reversal of 22755245 is 54255722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17547721 + 5207524 = 4189^2 + 2282^2 .

It is a cyclic number.

It is not a de Polignac number, because 22755245 - 2² = 22755241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22755241) 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, 2275520 + ... + 2275529.

It is an arithmetic number, because the mean of its divisors is an integer number (6826575).

Almost surely, 2^22755245 is an apocalyptic number.

It is an amenable number.

22755245 is a deficient number, since it is larger than the sum of its proper divisors (4551055).

22755245 is an equidigital number, since it uses as much as digits as its factorization.

22755245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551054.

The product of its digits is 28000, while the sum is 32.

The square root of 22755245 is about 4770.2458007948. The cubic root of 22755245 is about 283.3743293236.

The spelling of 22755245 in words is "twenty-two million, seven hundred fifty-five thousand, two hundred forty-five".