22130230 has 16 divisors (see below), whose sum is σ = 40014000. Its totient is φ = 8812192.

The previous prime is 22130221. The next prime is 22130237. The reversal of 22130230 is 3203122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22130230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130237) by changing a digit.

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, 2605 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (2500875).

Almost surely, 2^22130230 is an apocalyptic number.

22130230 is a deficient number, since it is larger than the sum of its proper divisors (17883770).

22130230 is a wasteful number, since it uses less digits than its factorization.

22130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22130230 is about 4704.2778404342. The cubic root of 22130230 is about 280.7557389863.

Adding to 22130230 its reverse (3203122), we get a palindrome (25333352).

The spelling of 22130230 in words is "twenty-two million, one hundred thirty thousand, two hundred thirty".