22245736 has 16 divisors (see below), whose sum is σ = 41963040. Its totient is φ = 11055600.

The previous prime is 22245731. The next prime is 22245757. The reversal of 22245736 is 63754222.

22245736 is nontrivially palindromic in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 22245698 and 22245707.

It is not an unprimeable number, because it can be changed into a prime (22245731) 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, 6990 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (2622690).

Almost surely, 2^22245736 is an apocalyptic number.

It is an amenable number.

22245736 is a deficient number, since it is larger than the sum of its proper divisors (19717304).

22245736 is a wasteful number, since it uses less digits than its factorization.

22245736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16824 (or 16820 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 22245736 is about 4716.5385612756. The cubic root of 22245736 is about 281.2433482542.

Adding to 22245736 its reverse (63754222), we get a palindrome (85999958).

The spelling of 22245736 in words is "twenty-two million, two hundred forty-five thousand, seven hundred thirty-six".