226236645 has 48 divisors (see below), whose sum is σ = 411989760. Its totient is φ = 119081664.

The previous prime is 226236643. The next prime is 226236679. The reversal of 226236645 is 546632622.

226236645 is a `hidden beast` number, since 2 + 2 + 6 + 2 + 3 + 6 + 645 = 666.

It is not a de Polignac number, because 226236645 - 2¹ = 226236643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226236643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94807 + ... + 97163.

It is an arithmetic number, because the mean of its divisors is an integer number (8583120).

Almost surely, 2^226236645 is an apocalyptic number.

It is an amenable number.

226236645 is a deficient number, since it is larger than the sum of its proper divisors (185753115).

226236645 is an equidigital number, since it uses as much as digits as its factorization.

226236645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456 (or 2444 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 226236645 is about 15041.1650147188. The cubic root of 226236645 is about 609.3324642499.

The spelling of 226236645 in words is "two hundred twenty-six million, two hundred thirty-six thousand, six hundred forty-five".