1222854650 has 48 divisors (see below), whose sum is σ = 2334895200. Its totient is φ = 476314560.

The previous prime is 1222854623. The next prime is 1222854671. The reversal of 1222854650 is 564582221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222854650.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 319649 + ... + 323451.

It is an arithmetic number, because the mean of its divisors is an integer number (48643650).

Almost surely, 2^1222854650 is an apocalyptic number.

1222854650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222854650 is a deficient number, since it is larger than the sum of its proper divisors (1112040550).

1222854650 is a wasteful number, since it uses less digits than its factorization.

1222854650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983 (or 3978 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 1222854650 is about 34969.3387126494. The cubic root of 1222854650 is about 1069.3624903647.

The spelling of 1222854650 in words is "one billion, two hundred twenty-two million, eight hundred fifty-four thousand, six hundred fifty".