226031647 has 4 divisors (see below), whose sum is σ = 231544656. Its totient is φ = 220518640.

The previous prime is 226031599. The next prime is 226031651. The reversal of 226031647 is 746130622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226031647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226031147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756443 + ... + 2756524.

It is an arithmetic number, because the mean of its divisors is an integer number (57886164).

Almost surely, 2^226031647 is an apocalyptic number.

226031647 is a deficient number, since it is larger than the sum of its proper divisors (5513009).

226031647 is an equidigital number, since it uses as much as digits as its factorization.

226031647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513008.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 226031647 is about 15034.3489050906. The cubic root of 226031647 is about 609.1483654508.

The spelling of 226031647 in words is "two hundred twenty-six million, thirty-one thousand, six hundred forty-seven".