226863845 has 16 divisors (see below), whose sum is σ = 293796720. Its totient is φ = 167176704.

The previous prime is 226863823. The next prime is 226863851. The reversal of 226863845 is 548368622.

It is a Cunningham number, because it is equal to 15062²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 42393121 + 184470724 = 6511^2 + 13582^2 .

It is a cyclic number.

It is not a de Polignac number, because 226863845 - 2¹² = 226859749 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 226863796 and 226863805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29657 + ... + 36513.

It is an arithmetic number, because the mean of its divisors is an integer number (18362295).

Almost surely, 2^226863845 is an apocalyptic number.

It is an amenable number.

226863845 is a deficient number, since it is larger than the sum of its proper divisors (66932875).

226863845 is a wasteful number, since it uses less digits than its factorization.

226863845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384.

The product of its digits is 552960, while the sum is 44.

The square root of 226863845 is about 15062.0000331961. Note that the first 4 decimals coincide. The cubic root of 226863845 is about 609.8950325521.

The spelling of 226863845 in words is "two hundred twenty-six million, eight hundred sixty-three thousand, eight hundred forty-five".