22263316 has 6 divisors (see below), whose sum is σ = 38960810. Its totient is φ = 11131656.

The previous prime is 22263313. The next prime is 22263323. The reversal of 22263316 is 61336222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 2496400 = 4446^2 + 1580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22263313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782911 + ... + 2782918.

Almost surely, 2^22263316 is an apocalyptic number.

It is an amenable number.

22263316 is a deficient number, since it is larger than the sum of its proper divisors (16697494).

22263316 is a wasteful number, since it uses less digits than its factorization.

22263316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565833 (or 5565831 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 22263316 is about 4718.4018480837. The cubic root of 22263316 is about 281.3174142267.

Adding to 22263316 its reverse (61336222), we get a palindrome (83599538).

The spelling of 22263316 in words is "twenty-two million, two hundred sixty-three thousand, three hundred sixteen".