1228049382 has 32 divisors (see below), whose sum is σ = 2954707200. Its totient is φ = 332404128.

The previous prime is 1228049357. The next prime is 1228049387. The reversal of 1228049382 is 2839408221.

It is a self number, because there is not a number n which added to its sum of digits gives 1228049382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228049387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768657 + ... + 770252.

It is an arithmetic number, because the mean of its divisors is an integer number (92334600).

Almost surely, 2^1228049382 is an apocalyptic number.

1228049382 is an abundant number, since it is smaller than the sum of its proper divisors (1726657818).

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

1228049382 is a wasteful number, since it uses less digits than its factorization.

1228049382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538940.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1228049382 is about 35043.5355236882. The cubic root of 1228049382 is about 1070.8745817753.

The spelling of 1228049382 in words is "one billion, two hundred twenty-eight million, forty-nine thousand, three hundred eighty-two".