22730132 has 12 divisors (see below), whose sum is σ = 39823476. Its totient is φ = 11352000.

The previous prime is 22730119. The next prime is 22730159. The reversal of 22730132 is 23103722.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 583696 = 4706^2 + 764^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (3318623).

Almost surely, 2^22730132 is an apocalyptic number.

It is an amenable number.

22730132 is a deficient number, since it is larger than the sum of its proper divisors (17093344).

22730132 is a wasteful number, since it uses less digits than its factorization.

22730132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538 (or 6536 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22730132 is about 4767.6128198502. The cubic root of 22730132 is about 283.2700456878.

Adding to 22730132 its reverse (23103722), we get a palindrome (45833854).

The spelling of 22730132 in words is "twenty-two million, seven hundred thirty thousand, one hundred thirty-two".