226177640 has 32 divisors (see below), whose sum is σ = 548047080. Its totient is φ = 83511552.

The previous prime is 226177631. The next prime is 226177661. The reversal of 226177640 is 46771622.

226177640 is digitally balanced in base 3, 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 4 ways, for example, as 205692964 + 20484676 = 14342^2 + 4526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226177640.

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, 216959 + ... + 217998.

Almost surely, 2^226177640 is an apocalyptic number.

226177640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226177640 is an abundant number, since it is smaller than the sum of its proper divisors (321869440).

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

226177640 is a wasteful number, since it uses less digits than its factorization.

226177640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434981 (or 434977 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 226177640 is about 15039.2034363526. The cubic root of 226177640 is about 609.2794861125.

The spelling of 226177640 in words is "two hundred twenty-six million, one hundred seventy-seven thousand, six hundred forty".