226997667 has 32 divisors (see below), whose sum is σ = 363686400. Its totient is φ = 139103136.

The previous prime is 226997663. The next prime is 226997669. The reversal of 226997667 is 766799622.

It is a happy number.

It is not a de Polignac number, because 226997667 - 2² = 226997663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226997663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91084 + ... + 93542.

It is an arithmetic number, because the mean of its divisors is an integer number (11365200).

Almost surely, 2^226997667 is an apocalyptic number.

226997667 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

226997667 is a deficient number, since it is larger than the sum of its proper divisors (136688733).

226997667 is a wasteful number, since it uses less digits than its factorization.

226997667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2738 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 226997667 is about 15066.4417497961. The cubic root of 226997667 is about 610.0149302088.

The spelling of 226997667 in words is "two hundred twenty-six million, nine hundred ninety-seven thousand, six hundred sixty-seven".