22230140 has 24 divisors (see below), whose sum is σ = 47770800. Its totient is φ = 8684928.

The previous prime is 22230119. The next prime is 22230149. The reversal of 22230140 is 4103222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230149) 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, 12065 + ... + 13784.

It is an arithmetic number, because the mean of its divisors is an integer number (1990450).

Almost surely, 2^22230140 is an apocalyptic number.

22230140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22230140 is an abundant number, since it is smaller than the sum of its proper divisors (25540660).

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

22230140 is a wasteful number, since it uses less digits than its factorization.

22230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25901 (or 25899 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22230140 is about 4714.8849402716. The cubic root of 22230140 is about 281.1776083644.

Adding to 22230140 its reverse (4103222), we get a palindrome (26333362).

The spelling of 22230140 in words is "twenty-two million, two hundred thirty thousand, one hundred forty".