226835840 has 128 divisors (see below), whose sum is σ = 676235520. Its totient is φ = 70686720.

The previous prime is 226835837. The next prime is 226835849. The reversal of 226835840 is 48538622.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 226835794 and 226835803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226835849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46979 + ... + 51581.

It is an arithmetic number, because the mean of its divisors is an integer number (5283090).

Almost surely, 2^226835840 is an apocalyptic number.

226835840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226835840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338117760).

226835840 is an abundant number, since it is smaller than the sum of its proper divisors (449399680).

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

226835840 is a wasteful number, since it uses less digits than its factorization.

226835840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 226835840 is about 15061.0703470902. The cubic root of 226835840 is about 609.8699355411.

The spelling of 226835840 in words is "two hundred twenty-six million, eight hundred thirty-five thousand, eight hundred forty".