1222505050 has 96 divisors (see below), whose sum is σ = 2529838080. Its totient is φ = 436665600.

The previous prime is 1222505047. The next prime is 1222505059. The reversal of 1222505050 is 505052221.

It is not an unprimeable number, because it can be changed into a prime (1222505059) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5338336 + ... + 5338564.

It is an arithmetic number, because the mean of its divisors is an integer number (26352480).

Almost surely, 2^1222505050 is an apocalyptic number.

1222505050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222505050 is an abundant number, since it is smaller than the sum of its proper divisors (1307333030).

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

1222505050 is a wasteful number, since it uses less digits than its factorization.

1222505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1222505050 is about 34964.3396906048. The cubic root of 1222505050 is about 1069.2605745296.

Adding to 1222505050 its reverse (505052221), we get a palindrome (1727557271).

The spelling of 1222505050 in words is "one billion, two hundred twenty-two million, five hundred five thousand, fifty".