22630736 has 20 divisors (see below), whose sum is σ = 44238612. Its totient is φ = 11214336.

The previous prime is 22630721. The next prime is 22630739. The reversal of 22630736 is 63703622.

It can be written as a sum of positive squares in 2 ways, for example, as 9985600 + 12645136 = 3160^2 + 3556^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22630699 and 22630708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630739) 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, 4451 + ... + 8066.

Almost surely, 2^22630736 is an apocalyptic number.

It is an amenable number.

22630736 is a deficient number, since it is larger than the sum of its proper divisors (21607876).

22630736 is a wasteful number, since it uses less digits than its factorization.

22630736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638 (or 12632 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 22630736 is about 4757.1773143325. The cubic root of 22630736 is about 282.8565409736.

The spelling of 22630736 in words is "twenty-two million, six hundred thirty thousand, seven hundred thirty-six".