1283221302 has 64 divisors (see below), whose sum is σ = 3005247744. Its totient is φ = 360944640.

The previous prime is 1283221279. The next prime is 1283221327. The reversal of 1283221302 is 2031223821.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 74073 + ... + 89739.

It is an arithmetic number, because the mean of its divisors is an integer number (46956996).

Almost surely, 2^1283221302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283221302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502623872).

1283221302 is an abundant number, since it is smaller than the sum of its proper divisors (1722026442).

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

1283221302 is a wasteful number, since it uses less digits than its factorization.

1283221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15773.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1283221302 is about 35822.0784154130. The cubic root of 1283221302 is about 1086.6771126793.

The spelling of 1283221302 in words is "one billion, two hundred eighty-three million, two hundred twenty-one thousand, three hundred two".