226251540 has 36 divisors (see below), whose sum is σ = 686296884. Its totient is φ = 60333696.

The previous prime is 226251539. The next prime is 226251611. The reversal of 226251540 is 45152622.

226251540 is a `hidden beast` number, since 22 + 625 + 15 + 4 + 0 = 666.

226251540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26255376 + 199996164 = 5124^2 + 14142^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628297 + ... + 628656.

Almost surely, 2^226251540 is an apocalyptic number.

226251540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226251540 is an abundant number, since it is smaller than the sum of its proper divisors (460045344).

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

226251540 is a wasteful number, since it uses less digits than its factorization.

226251540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256968 (or 1256963 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 226251540 is about 15041.6601477364. The cubic root of 226251540 is about 609.3458363952.

The spelling of 226251540 in words is "two hundred twenty-six million, two hundred fifty-one thousand, five hundred forty".