1228480250 has 16 divisors (see below), whose sum is σ = 2299715496. Its totient is φ = 491392000.

The previous prime is 1228480247. The next prime is 1228480259. The reversal of 1228480250 is 520848221.

It can be written as a sum of positive squares in 4 ways, for example, as 199289689 + 1029190561 = 14117^2 + 32081^2 .

It is not an unprimeable number, because it can be changed into a prime (1228480259) 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 7 ways as a sum of consecutive naturals, for example, 2456711 + ... + 2457210.

Almost surely, 2^1228480250 is an apocalyptic number.

1228480250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228480250 is a deficient number, since it is larger than the sum of its proper divisors (1071235246).

1228480250 is an equidigital number, since it uses as much as digits as its factorization.

1228480250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913938 (or 4913928 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 1228480250 is about 35049.6825948538. The cubic root of 1228480250 is about 1070.9998079115. Note that the first 3 decimals are identical.

The spelling of 1228480250 in words is "one billion, two hundred twenty-eight million, four hundred eighty thousand, two hundred fifty".