22243036 has 6 divisors (see below), whose sum is σ = 38925320. Its totient is φ = 11121516.

The previous prime is 22243019. The next prime is 22243037. The reversal of 22243036 is 63034222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22242998 and 22243016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780376 + ... + 2780383.

Almost surely, 2^22243036 is an apocalyptic number.

It is an amenable number.

22243036 is a deficient number, since it is larger than the sum of its proper divisors (16682284).

22243036 is a wasteful number, since it uses less digits than its factorization.

22243036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560763 (or 5560761 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 22243036 is about 4716.2523257349. The cubic root of 22243036 is about 281.2319694779.

Adding to 22243036 its reverse (63034222), we get a palindrome (85277258).

The spelling of 22243036 in words is "twenty-two million, two hundred forty-three thousand, thirty-six".