22252253 has 4 divisors (see below), whose sum is σ = 22344828. Its totient is φ = 22159680.

The previous prime is 22252229. The next prime is 22252261. The reversal of 22252253 is 35225222.

It is a happy number.

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 6744409 + 15507844 = 2597^2 + 3938^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252253 - 2⁶ = 22252189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252213) 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, 45926 + ... + 46407.

It is an arithmetic number, because the mean of its divisors is an integer number (5586207).

Almost surely, 2^22252253 is an apocalyptic number.

It is an amenable number.

22252253 is a deficient number, since it is larger than the sum of its proper divisors (92575).

22252253 is an equidigital number, since it uses as much as digits as its factorization.

22252253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92574.

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

The square root of 22252253 is about 4717.2293775054. The cubic root of 22252253 is about 281.2708094562.

Adding to 22252253 its reverse (35225222), we get a palindrome (57477475).

The spelling of 22252253 in words is "twenty-two million, two hundred fifty-two thousand, two hundred fifty-three".