226428516 has 72 divisors (see below), whose sum is σ = 588841344. Its totient is φ = 73327680.

The previous prime is 226428509. The next prime is 226428547. The reversal of 226428516 is 615824622.

It is a happy number.

226428516 is a `hidden beast` number, since 2 + 2 + 642 + 8 + 5 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275386 + ... + 276206.

It is an arithmetic number, because the mean of its divisors is an integer number (8178352).

Almost surely, 2^226428516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226428516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294420672).

226428516 is an abundant number, since it is smaller than the sum of its proper divisors (362412828).

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

226428516 is a wasteful number, since it uses less digits than its factorization.

226428516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1036 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 226428516 is about 15047.5418590546. The cubic root of 226428516 is about 609.5046735951.

The spelling of 226428516 in words is "two hundred twenty-six million, four hundred twenty-eight thousand, five hundred sixteen".