22230536 has 16 divisors (see below), whose sum is σ = 41754300. Its totient is φ = 11096064.

The previous prime is 22230529. The next prime is 22230583. The reversal of 22230536 is 63503222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 84100 = 4706^2 + 290^2 .

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, 3320 + ... + 7448.

Almost surely, 2^22230536 is an apocalyptic number.

It is an amenable number.

22230536 is a deficient number, since it is larger than the sum of its proper divisors (19523764).

22230536 is a wasteful number, since it uses less digits than its factorization.

22230536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4804 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 22230536 is about 4714.9269347467. The cubic root of 22230536 is about 281.1792779546.

Adding to 22230536 its reverse (63503222), we get a palindrome (85733758).

The spelling of 22230536 in words is "twenty-two million, two hundred thirty thousand, five hundred thirty-six".