226459820 has 24 divisors (see below), whose sum is σ = 481588800. Its totient is φ = 89436672.

The previous prime is 226459819. The next prime is 226459837. The reversal of 226459820 is 28954622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70085 + ... + 73244.

It is an arithmetic number, because the mean of its divisors is an integer number (20066200).

Almost surely, 2^226459820 is an apocalyptic number.

226459820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226459820 is an abundant number, since it is smaller than the sum of its proper divisors (255128980).

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

226459820 is a wasteful number, since it uses less digits than its factorization.

226459820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143417 (or 143415 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 226459820 is about 15048.5819929985. The cubic root of 226459820 is about 609.5327605390.

The spelling of 226459820 in words is "two hundred twenty-six million, four hundred fifty-nine thousand, eight hundred twenty".