22636002 has 32 divisors (see below), whose sum is σ = 48032640. Its totient is φ = 7096320.

The previous prime is 22635997. The next prime is 22636013. The reversal of 22636002 is 20063622.

It is a self number, because there is not a number n which added to its sum of digits gives 22636002.

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 15 ways as a sum of consecutive naturals, for example, 7074 + ... + 9762.

It is an arithmetic number, because the mean of its divisors is an integer number (1501020).

Almost surely, 2^22636002 is an apocalyptic number.

22636002 is an abundant number, since it is smaller than the sum of its proper divisors (25396638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22636002 is a wasteful number, since it uses less digits than its factorization.

22636002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22636002 is about 4757.7307616131. The cubic root of 22636002 is about 282.8784787935.

Adding to 22636002 its reverse (20063622), we get a palindrome (42699624).

The spelling of 22636002 in words is "twenty-two million, six hundred thirty-six thousand, two".