1002221296 has 20 divisors (see below), whose sum is σ = 1986963352. Its totient is φ = 489456576.

The previous prime is 1002221293. The next prime is 1002221299. The reversal of 1002221296 is 6921222001.

It is an interprime number because it is at equal distance from previous prime (1002221293) and next prime (1002221299).

It is a self number, because there is not a number n which added to its sum of digits gives 1002221296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002221293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727671 + ... + 729046.

Almost surely, 2^1002221296 is an apocalyptic number.

1002221296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1002221296 is a deficient number, since it is larger than the sum of its proper divisors (984742056).

1002221296 is a wasteful number, since it uses less digits than its factorization.

1002221296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456768 (or 1456762 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1002221296 is about 31657.8788929391. The cubic root of 1002221296 is about 1000.7398844360.

Adding to 1002221296 its reverse (6921222001), we get a palindrome (7923443297).

The spelling of 1002221296 in words is "one billion, two million, two hundred twenty-one thousand, two hundred ninety-six".