226656237 has 8 divisors (see below), whose sum is σ = 315347904. Its totient is φ = 144534368.

The previous prime is 226656233. The next prime is 226656259. The reversal of 226656237 is 732656622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226656237 - 2² = 226656233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226656195 and 226656204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226656233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1642368 + ... + 1642505.

It is an arithmetic number, because the mean of its divisors is an integer number (39418488).

Almost surely, 2^226656237 is an apocalyptic number.

It is an amenable number.

226656237 is a deficient number, since it is larger than the sum of its proper divisors (88691667).

226656237 is a wasteful number, since it uses less digits than its factorization.

226656237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284899.

The product of its digits is 181440, while the sum is 39.

The square root of 226656237 is about 15055.1066751451. The cubic root of 226656237 is about 609.7089330710.

The spelling of 226656237 in words is "two hundred twenty-six million, six hundred fifty-six thousand, two hundred thirty-seven".