226251440 has 80 divisors (see below), whose sum is σ = 543018816. Its totient is φ = 87628800.

The previous prime is 226251427. The next prime is 226251451. The reversal of 226251440 is 44152622.

226251440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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, 346154 + ... + 346806.

Almost surely, 2^226251440 is an apocalyptic number.

226251440 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 226251440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271509408).

226251440 is an abundant number, since it is smaller than the sum of its proper divisors (316767376).

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

226251440 is a wasteful number, since it uses less digits than its factorization.

226251440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 226251440 is about 15041.6568236348. The cubic root of 226251440 is about 609.3457466211.

The spelling of 226251440 in words is "two hundred twenty-six million, two hundred fifty-one thousand, four hundred forty".