22732002 has 20 divisors (see below), whose sum is σ = 50936886. Its totient is φ = 7577280.

The previous prime is 22732001. The next prime is 22732033. The reversal of 22732002 is 20023722.

It can be written as a sum of positive squares in only one way, i.e., 17214201 + 5517801 = 4149^2 + 2349^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22732001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69999 + ... + 70322.

Almost surely, 2^22732002 is an apocalyptic number.

22732002 is an abundant number, since it is smaller than the sum of its proper divisors (28204884).

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

22732002 is a wasteful number, since it uses less digits than its factorization.

22732002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140335 (or 140326 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22732002 is about 4767.8089307354. The cubic root of 22732002 is about 283.2778136506.

Adding to 22732002 its reverse (20023722), we get a palindrome (42755724).

The spelling of 22732002 in words is "twenty-two million, seven hundred thirty-two thousand, two".