22231030 has 16 divisors (see below), whose sum is σ = 41307264. Its totient is φ = 8605440.

The previous prime is 22230997. The next prime is 22231037. The reversal of 22231030 is 3013222.

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 22231030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35547 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (2581704).

Almost surely, 2^22231030 is an apocalyptic number.

22231030 is a deficient number, since it is larger than the sum of its proper divisors (19076234).

22231030 is a wasteful number, since it uses less digits than its factorization.

22231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71751.

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

The square root of 22231030 is about 4714.9793212696. The cubic root of 22231030 is about 281.1813606984.

Adding to 22231030 its reverse (3013222), we get a palindrome (25244252).

The spelling of 22231030 in words is "twenty-two million, two hundred thirty-one thousand, thirty".