1002223320 has 64 divisors (see below), whose sum is σ = 3436197120. Its totient is φ = 229079424.

The previous prime is 1002223307. The next prime is 1002223349. The reversal of 1002223320 is 233222001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1002223320.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 595722 + ... + 597401.

It is an arithmetic number, because the mean of its divisors is an integer number (53690580).

Almost surely, 2^1002223320 is an apocalyptic number.

1002223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002223320 is an abundant number, since it is smaller than the sum of its proper divisors (2433973800).

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

1002223320 is a wasteful number, since it uses less digits than its factorization.

1002223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193144 (or 1193140 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1002223320 is about 31657.9108596888. The cubic root of 1002223320 is about 1000.7405581050.

Adding to 1002223320 its reverse (233222001), we get a palindrome (1235445321).

The spelling of 1002223320 in words is "one billion, two million, two hundred twenty-three thousand, three hundred twenty".