226766880 has 72 divisors (see below), whose sum is σ = 773846892. Its totient is φ = 60470784.

The previous prime is 226766879. The next prime is 226766923. The reversal of 226766880 is 88667622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 226081296 + 685584 = 15036^2 + 828^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 77299 + ... + 80178.

Almost surely, 2^226766880 is an apocalyptic number.

226766880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226766880 is an abundant number, since it is smaller than the sum of its proper divisors (547080012).

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

226766880 is a wasteful number, since it uses less digits than its factorization.

226766880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157498 (or 157487 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 226766880 is about 15058.7808271453. The cubic root of 226766880 is about 609.8081274169.

The spelling of 226766880 in words is "two hundred twenty-six million, seven hundred sixty-six thousand, eight hundred eighty".