226065643 has 16 divisors (see below), whose sum is σ = 258396480. Its totient is φ = 196489216.

The previous prime is 226065613. The next prime is 226065649. The reversal of 226065643 is 346560622.

It is a cyclic number.

It is not a de Polignac number, because 226065643 - 2⁹ = 226065131 is a prime.

It is a super-2 number, since 2×226065643² = 102211349890006898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226065599 and 226065608.

It is not an unprimeable number, because it can be changed into a prime (226065649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371 + ... + 21307.

It is an arithmetic number, because the mean of its divisors is an integer number (16149780).

Almost surely, 2^226065643 is an apocalyptic number.

226065643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

226065643 is a deficient number, since it is larger than the sum of its proper divisors (32330837).

226065643 is a wasteful number, since it uses less digits than its factorization.

226065643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20006.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 226065643 is about 15035.4794735652. The cubic root of 226065643 is about 609.1789033127.

The spelling of 226065643 in words is "two hundred twenty-six million, sixty-five thousand, six hundred forty-three".