226636851 has 16 divisors (see below), whose sum is σ = 351869184. Its totient is φ = 127062624.

The previous prime is 226636847. The next prime is 226636853. The reversal of 226636851 is 158636622.

It is not a de Polignac number, because 226636851 - 2² = 226636847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226636853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100701 + ... + 102926.

It is an arithmetic number, because the mean of its divisors is an integer number (21991824).

Almost surely, 2^226636851 is an apocalyptic number.

226636851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

226636851 is a deficient number, since it is larger than the sum of its proper divisors (125232333).

226636851 is a wasteful number, since it uses less digits than its factorization.

226636851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203690.

The product of its digits is 103680, while the sum is 39.

The square root of 226636851 is about 15054.4628266837. The cubic root of 226636851 is about 609.6915496912.

The spelling of 226636851 in words is "two hundred twenty-six million, six hundred thirty-six thousand, eight hundred fifty-one".