22240230 has 16 divisors (see below), whose sum is σ = 53376624. Its totient is φ = 5930720.

The previous prime is 22240223. The next prime is 22240247. The reversal of 22240230 is 3204222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370641 + ... + 370700.

It is an arithmetic number, because the mean of its divisors is an integer number (3336039).

Almost surely, 2^22240230 is an apocalyptic number.

22240230 is an abundant number, since it is smaller than the sum of its proper divisors (31136394).

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

22240230 is a wasteful number, since it uses less digits than its factorization.

22240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741351.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22240230 is about 4715.9548343893. The cubic root of 22240230 is about 281.2201430034.

Adding to 22240230 its reverse (3204222), we get a palindrome (25444452).

The spelling of 22240230 in words is "twenty-two million, two hundred forty thousand, two hundred thirty".