226666040 has 48 divisors (see below), whose sum is σ = 522896040. Its totient is φ = 88428800.

The previous prime is 226666031. The next prime is 226666061. The reversal of 226666040 is 40666622.

It is a junction number, because it is equal to n+sod(n) for n = 226665988 and 226666006.

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, 65555 + ... + 68925.

Almost surely, 2^226666040 is an apocalyptic number.

226666040 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 226666040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261448020).

226666040 is an abundant number, since it is smaller than the sum of its proper divisors (296230000).

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

226666040 is a wasteful number, since it uses less digits than its factorization.

226666040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 226666040 is about 15055.4322422174. The cubic root of 226666040 is about 609.7177230203.

The spelling of 226666040 in words is "two hundred twenty-six million, six hundred sixty-six thousand, forty".