226697616 has 120 divisors (see below), whose sum is σ = 663499200. Its totient is φ = 74929536.

The previous prime is 226697609. The next prime is 226697617. The reversal of 226697616 is 616796622.

226697616 is a `hidden beast` number, since 2 + 26 + 6 + 9 + 7 + 616 = 666.

It is not an unprimeable number, because it can be changed into a prime (226697617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773566 + ... + 773858.

It is an arithmetic number, because the mean of its divisors is an integer number (5529160).

Almost surely, 2^226697616 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 226697616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331749600).

226697616 is an abundant number, since it is smaller than the sum of its proper divisors (436801584).

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

226697616 is a wasteful number, since it uses less digits than its factorization.

226697616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 497 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 226697616 is about 15056.4808637344. The cubic root of 226697616 is about 609.7460342058.

The spelling of 226697616 in words is "two hundred twenty-six million, six hundred ninety-seven thousand, six hundred sixteen".