226432140 has 72 divisors (see below), whose sum is σ = 696909360. Its totient is φ = 54890880.

The previous prime is 226432121. The next prime is 226432187. The reversal of 226432140 is 41234622.

It is a self number, because there is not a number n which added to its sum of digits gives 226432140.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8335 + ... + 22854.

Almost surely, 2^226432140 is an apocalyptic number.

226432140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226432140 is an abundant number, since it is smaller than the sum of its proper divisors (470477220).

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

226432140 is a wasteful number, since it uses less digits than its factorization.

226432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31223 (or 31210 counting only the distinct ones).

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

The square root of 226432140 is about 15047.6622769120. The cubic root of 226432140 is about 609.5079252956.

Adding to 226432140 its reverse (41234622), we get a palindrome (267666762).

The spelling of 226432140 in words is "two hundred twenty-six million, four hundred thirty-two thousand, one hundred forty".