226536651 has 12 divisors (see below), whose sum is σ = 356967000. Its totient is φ = 137294880.

The previous prime is 226536643. The next prime is 226536659. The reversal of 226536651 is 156635622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (226536643) and next prime (226536659).

It is not a de Polignac number, because 226536651 - 2³ = 226536643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226536659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144026 + ... + 1144223.

It is an arithmetic number, because the mean of its divisors is an integer number (29747250).

Almost surely, 2^226536651 is an apocalyptic number.

226536651 is a deficient number, since it is larger than the sum of its proper divisors (130430349).

226536651 is a wasteful number, since it uses less digits than its factorization.

226536651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288266 (or 2288263 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 226536651 is about 15051.1345419540. The cubic root of 226536651 is about 609.6016847841.

The spelling of 226536651 in words is "two hundred twenty-six million, five hundred thirty-six thousand, six hundred fifty-one".