22012230 has 16 divisors (see below), whose sum is σ = 52829424. Its totient is φ = 5869920.

The previous prime is 22012187. The next prime is 22012231. The reversal of 22012230 is 3221022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012231) 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, 366841 + ... + 366900.

It is an arithmetic number, because the mean of its divisors is an integer number (3301839).

Almost surely, 2^22012230 is an apocalyptic number.

22012230 is an abundant number, since it is smaller than the sum of its proper divisors (30817194).

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

22012230 is a wasteful number, since it uses less digits than its factorization.

22012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733751.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22012230 is about 4691.7193010665. The cubic root of 22012230 is about 280.2558460850.

Adding to 22012230 its reverse (3221022), we get a palindrome (25233252).

The spelling of 22012230 in words is "twenty-two million, twelve thousand, two hundred thirty".