1223376782226 has 8 divisors (see below), whose sum is σ = 2446753564464. Its totient is φ = 407792260740.

The previous prime is 1223376782203. The next prime is 1223376782231. The reversal of 1223376782226 is 6222876733221.

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

1223376782226 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101948065180 + ... + 101948065191.

It is an arithmetic number, because the mean of its divisors is an integer number (305844195558).

Almost surely, 2^{1223376782226} is an apocalyptic number.

1223376782226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223376782226 is a wasteful number, since it uses less digits than its factorization.

1223376782226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203896130376.

The product of its digits is 4064256, while the sum is 51.

The spelling of 1223376782226 in words is "one trillion, two hundred twenty-three billion, three hundred seventy-six million, seven hundred eighty-two thousand, two hundred twenty-six".