226186240 has 88 divisors (see below), whose sum is σ = 620191872. Its totient is φ = 77537280.

The previous prime is 226186223. The next prime is 226186267. The reversal of 226186240 is 42681622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32685 + ... + 38995.

Almost surely, 2^226186240 is an apocalyptic number.

226186240 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 226186240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310095936).

226186240 is an abundant number, since it is smaller than the sum of its proper divisors (394005632).

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

226186240 is an equidigital number, since it uses as much as digits as its factorization.

226186240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343 (or 6325 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 226186240 is about 15039.4893530332. The cubic root of 226186240 is about 609.2872082686.

The spelling of 226186240 in words is "two hundred twenty-six million, one hundred eighty-six thousand, two hundred forty".