1223466678 has 24 divisors (see below), whose sum is σ = 3029536848. Its totient is φ = 349561872.

The previous prime is 1223466661. The next prime is 1223466683. The reversal of 1223466678 is 8766643221.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4854901 + ... + 4855152.

It is an arithmetic number, because the mean of its divisors is an integer number (126230702).

Almost surely, 2^1223466678 is an apocalyptic number.

1223466678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1223466678 is an abundant number, since it is smaller than the sum of its proper divisors (1806070170).

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

1223466678 is a wasteful number, since it uses less digits than its factorization.

1223466678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710068 (or 9710065 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1223466678 is about 34978.0885412568. The cubic root of 1223466678 is about 1069.5408627846.

The spelling of 1223466678 in words is "one billion, two hundred twenty-three million, four hundred sixty-six thousand, six hundred seventy-eight".