1228398282 has 24 divisors (see below), whose sum is σ = 2662657920. Its totient is φ = 409292520.

The previous prime is 1228398239. The next prime is 1228398299. The reversal of 1228398282 is 2828938221.

1228398282 is a `hidden beast` number, since 1 + 2 + 283 + 98 + 282 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33469 + ... + 59807.

It is an arithmetic number, because the mean of its divisors is an integer number (110944080).

Almost surely, 2^1228398282 is an apocalyptic number.

1228398282 is an abundant number, since it is smaller than the sum of its proper divisors (1434259638).

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

1228398282 is a wasteful number, since it uses less digits than its factorization.

1228398282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28938 (or 28935 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1228398282 is about 35048.5132637606. The cubic root of 1228398282 is about 1070.9759872424.

It can be divided in two parts, 122 and 8398282, that added together give a square (8398404 = 2898²).

The spelling of 1228398282 in words is "one billion, two hundred twenty-eight million, three hundred ninety-eight thousand, two hundred eighty-two".