226243140 has 48 divisors (see below), whose sum is σ = 670747392. Its totient is φ = 56782336.

The previous prime is 226243109. The next prime is 226243141. The reversal of 226243140 is 41342622.

It is a self number, because there is not a number n which added to its sum of digits gives 226243140.

It is not an unprimeable number, because it can be changed into a prime (226243141) 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 15 ways as a sum of consecutive naturals, for example, 109884 + ... + 111923.

It is an arithmetic number, because the mean of its divisors is an integer number (13973904).

Almost surely, 2^226243140 is an apocalyptic number.

226243140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226243140 is an abundant number, since it is smaller than the sum of its proper divisors (444504252).

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

226243140 is a wasteful number, since it uses less digits than its factorization.

226243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221836 (or 221834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 226243140 is about 15041.3809206469. The cubic root of 226243140 is about 609.3382952777.

Adding to 226243140 its reverse (41342622), we get a palindrome (267585762).

The spelling of 226243140 in words is "two hundred twenty-six million, two hundred forty-three thousand, one hundred forty".