22252316 has 12 divisors (see below), whose sum is σ = 40634832. Its totient is φ = 10642368.

The previous prime is 22252297. The next prime is 22252319. The reversal of 22252316 is 61325222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 22252291 and 22252300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252319) 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, 120845 + ... + 121028.

It is an arithmetic number, because the mean of its divisors is an integer number (3386236).

Almost surely, 2^22252316 is an apocalyptic number.

It is an amenable number.

22252316 is a deficient number, since it is larger than the sum of its proper divisors (18382516).

22252316 is a wasteful number, since it uses less digits than its factorization.

22252316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241900 (or 241898 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 22252316 is about 4717.2360551492. The cubic root of 22252316 is about 281.2710748981.

Adding to 22252316 its reverse (61325222), we get a palindrome (83577538).

The spelling of 22252316 in words is "twenty-two million, two hundred fifty-two thousand, three hundred sixteen".