1228450 has 24 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 483600.

The previous prime is 1228441. The next prime is 1228457. The reversal of 1228450 is 548221.

It is not an unprimeable number, because it can be changed into a prime (1228457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3795 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (96720).

2^1228450 is an apocalyptic number.

1228450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228450 is a deficient number, since it is larger than the sum of its proper divisors (1092830).

1228450 is a wasteful number, since it uses less digits than its factorization.

1228450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1228450 is about 1108.3546363867. The cubic root of 1228450 is about 107.0991017101.

The spelling of 1228450 in words is "one million, two hundred twenty-eight thousand, four hundred fifty".