1223329650 has 24 divisors (see below), whose sum is σ = 3033857904. Its totient is φ = 326221200.

The previous prime is 1223329643. The next prime is 1223329663. The reversal of 1223329650 is 569233221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4077616 + ... + 4077915.

It is an arithmetic number, because the mean of its divisors is an integer number (126410746).

Almost surely, 2^1223329650 is an apocalyptic number.

1223329650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223329650 is an abundant number, since it is smaller than the sum of its proper divisors (1810528254).

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

1223329650 is a wasteful number, since it uses less digits than its factorization.

1223329650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155546 (or 8155541 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1223329650 is about 34976.1297172800. The cubic root of 1223329650 is about 1069.5009318464.

The spelling of 1223329650 in words is "one billion, two hundred twenty-three million, three hundred twenty-nine thousand, six hundred fifty".