226668144 has 40 divisors (see below), whose sum is σ = 589850640. Its totient is φ = 75002368.

The previous prime is 226668109. The next prime is 226668163. The reversal of 226668144 is 441866622.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10659 + ... + 23810.

It is an arithmetic number, because the mean of its divisors is an integer number (14746266).

Almost surely, 2^226668144 is an apocalyptic number.

226668144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

226668144 is an abundant number, since it is smaller than the sum of its proper divisors (363182496).

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

226668144 is a wasteful number, since it uses less digits than its factorization.

226668144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34617 (or 34611 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 226668144 is about 15055.5021171663. The cubic root of 226668144 is about 609.7196095580.

The spelling of 226668144 in words is "two hundred twenty-six million, six hundred sixty-eight thousand, one hundred forty-four".