1222521050 has 48 divisors (see below), whose sum is σ = 2321756160. Its totient is φ = 478820160.

The previous prime is 1222521031. The next prime is 1222521101. The reversal of 1222521050 is 501252221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500432 + ... + 502868.

It is an arithmetic number, because the mean of its divisors is an integer number (48369920).

Almost surely, 2^1222521050 is an apocalyptic number.

1222521050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222521050 is a deficient number, since it is larger than the sum of its proper divisors (1099235110).

1222521050 is a wasteful number, since it uses less digits than its factorization.

1222521050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1222521050 is about 34964.5684944059. The cubic root of 1222521050 is about 1069.2652392941.

Adding to 1222521050 its reverse (501252221), we get a palindrome (1723773271).

The spelling of 1222521050 in words is "one billion, two hundred twenty-two million, five hundred twenty-one thousand, fifty".