1329225550 has 24 divisors (see below), whose sum is σ = 2478136032. Its totient is φ = 530448000.

The previous prime is 1329225523. The next prime is 1329225559. The reversal of 1329225550 is 555229231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329225559) 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 11 ways as a sum of consecutive naturals, for example, 9291 + ... + 52390.

It is an arithmetic number, because the mean of its divisors is an integer number (103255668).

Almost surely, 2^1329225550 is an apocalyptic number.

1329225550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329225550 is a deficient number, since it is larger than the sum of its proper divisors (1148910482).

1329225550 is a wasteful number, since it uses less digits than its factorization.

1329225550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62124 (or 62119 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1329225550 is about 36458.5456374771. The cubic root of 1329225550 is about 1099.5109534070.

The spelling of 1329225550 in words is "one billion, three hundred twenty-nine million, two hundred twenty-five thousand, five hundred fifty".