226666516 has 12 divisors (see below), whose sum is σ = 397537588. Its totient is φ = 113084352.

The previous prime is 226666511. The next prime is 226666519. The reversal of 226666516 is 615666622.

It can be written as a sum of positive squares in 2 ways, for example, as 122544900 + 104121616 = 11070^2 + 10204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226666511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60171 + ... + 63826.

Almost surely, 2^226666516 is an apocalyptic number.

It is an amenable number.

226666516 is a deficient number, since it is larger than the sum of its proper divisors (170871072).

226666516 is a wasteful number, since it uses less digits than its factorization.

226666516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124458 (or 124456 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 226666516 is about 15055.4480504567. The cubic root of 226666516 is about 609.7181498236.

The spelling of 226666516 in words is "two hundred twenty-six million, six hundred sixty-six thousand, five hundred sixteen".