226404646511 has 4 divisors (see below), whose sum is σ = 239722566912. Its totient is φ = 213086726112.

The previous prime is 226404646493. The next prime is 226404646529. The reversal of 226404646511 is 115646404622.

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

It is an interprime number because it is at equal distance from previous prime (226404646493) and next prime (226404646529).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226404646511 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 (226404642511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6658960175 + ... + 6658960208.

It is an arithmetic number, because the mean of its divisors is an integer number (59930641728).

Almost surely, 2^226404646511 is an apocalyptic number.

226404646511 is a deficient number, since it is larger than the sum of its proper divisors (13317920401).

226404646511 is a wasteful number, since it uses less digits than its factorization.

226404646511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317920400.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 226404646511 in words is "two hundred twenty-six billion, four hundred four million, six hundred forty-six thousand, five hundred eleven".