22732130 has 8 divisors (see below), whose sum is σ = 40917852. Its totient is φ = 9092848.

The previous prime is 22732121. The next prime is 22732133. The reversal of 22732130 is 3123722.

It can be written as a sum of positive squares in 2 ways, for example, as 20912329 + 1819801 = 4573^2 + 1349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22732133) 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, 1136597 + ... + 1136616.

Almost surely, 2^22732130 is an apocalyptic number.

22732130 is a deficient number, since it is larger than the sum of its proper divisors (18185722).

22732130 is a wasteful number, since it uses less digits than its factorization.

22732130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273220.

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

The square root of 22732130 is about 4767.8223540732. The cubic root of 22732130 is about 283.2783453458.

Adding to 22732130 its reverse (3123722), we get a palindrome (25855852).

The spelling of 22732130 in words is "twenty-two million, seven hundred thirty-two thousand, one hundred thirty".