226252518 has 16 divisors (see below), whose sum is σ = 472179456. Its totient is φ = 72138440.

The previous prime is 226252517. The next prime is 226252561. The reversal of 226252518 is 815252622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226252517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819618 + ... + 819893.

It is an arithmetic number, because the mean of its divisors is an integer number (29511216).

Almost surely, 2^226252518 is an apocalyptic number.

226252518 is an abundant number, since it is smaller than the sum of its proper divisors (245926938).

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

226252518 is a wasteful number, since it uses less digits than its factorization.

226252518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639539.

The product of its digits is 19200, while the sum is 33.

The square root of 226252518 is about 15041.6926574106. The cubic root of 226252518 is about 609.3467143846.

The spelling of 226252518 in words is "two hundred twenty-six million, two hundred fifty-two thousand, five hundred eighteen".