226911905999 has 2 divisors, whose sum is σ = 226911906000. Its totient is φ = 226911905998.

The previous prime is 226911905977. The next prime is 226911906037. The reversal of 226911905999 is 999509119622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226911905999 - 2⁸ = 226911905743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226911901999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113455952999 + 113455953000.

It is an arithmetic number, because the mean of its divisors is an integer number (113455953000).

Almost surely, 2^226911905999 is an apocalyptic number.

226911905999 is a deficient number, since it is larger than the sum of its proper divisors (1).

226911905999 is an equidigital number, since it uses as much as digits as its factorization.

226911905999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7085880, while the sum is 62.

The spelling of 226911905999 in words is "two hundred twenty-six billion, nine hundred eleven million, nine hundred five thousand, nine hundred ninety-nine".