226906816923 has 24 divisors (see below), whose sum is σ = 347188651056. Its totient is φ = 142309440000.

The previous prime is 226906816919. The next prime is 226906816951. The reversal of 226906816923 is 329618609622.

It is a happy number.

226906816923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226906816923 - 2² = 226906816919 is a prime.

It is a super-2 number, since 2×226906816923² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226906816923.

It is not an unprimeable number, because it can be changed into a prime (226906816993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14983 + ... + 673823.

It is an arithmetic number, because the mean of its divisors is an integer number (14466193794).

Almost surely, 2^226906816923 is an apocalyptic number.

226906816923 is a deficient number, since it is larger than the sum of its proper divisors (120281834133).

226906816923 is a wasteful number, since it uses less digits than its factorization.

226906816923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661115 (or 661112 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 226906816923 in words is "two hundred twenty-six billion, nine hundred six million, eight hundred sixteen thousand, nine hundred twenty-three".