22352630 has 16 divisors (see below), whose sum is σ = 40605840. Its totient is φ = 8858592.

The previous prime is 22352623. The next prime is 22352651. The reversal of 22352630 is 3625322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22352596 and 22352605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9164 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (2537865).

Almost surely, 2^22352630 is an apocalyptic number.

22352630 is a deficient number, since it is larger than the sum of its proper divisors (18253210).

22352630 is a wasteful number, since it uses less digits than its factorization.

22352630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20623.

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

The square root of 22352630 is about 4727.8568083224. The cubic root of 22352630 is about 281.6931003906.

Adding to 22352630 its reverse (3625322), we get a palindrome (25977952).

The spelling of 22352630 in words is "twenty-two million, three hundred fifty-two thousand, six hundred thirty".