226897840 has 40 divisors (see below), whose sum is σ = 568119888. Its totient is φ = 83777280.

The previous prime is 226897787. The next prime is 226897843. The reversal of 226897840 is 48798622.

226897840 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 (40).

It is not an unprimeable number, because it can be changed into a prime (226897843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108046 + ... + 110125.

Almost surely, 2^226897840 is an apocalyptic number.

226897840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226897840 is an abundant number, since it is smaller than the sum of its proper divisors (341222048).

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

226897840 is a wasteful number, since it uses less digits than its factorization.

226897840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218197 (or 218191 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 226897840 is about 15063.1284931119. The cubic root of 226897840 is about 609.9254947971.

The spelling of 226897840 in words is "two hundred twenty-six million, eight hundred ninety-seven thousand, eight hundred forty".