1223277730 has 8 divisors (see below), whose sum is σ = 2201899932. Its totient is φ = 489311088.

The previous prime is 1223277719. The next prime is 1223277733. The reversal of 1223277730 is 377723221.

1223277730 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1207493001 + 15784729 = 34749^2 + 3973^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1223277733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61163877 + ... + 61163896.

Almost surely, 2^1223277730 is an apocalyptic number.

1223277730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223277730 is a deficient number, since it is larger than the sum of its proper divisors (978622202).

1223277730 is a wasteful number, since it uses less digits than its factorization.

1223277730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122327780.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 1223277730 is about 34975.3874889185. The cubic root of 1223277730 is about 1069.4858012085.

The spelling of 1223277730 in words is "one billion, two hundred twenty-three million, two hundred seventy-seven thousand, seven hundred thirty".