1002223860 has 48 divisors (see below), whose sum is σ = 3061340352. Its totient is φ = 242963200.

The previous prime is 1002223819. The next prime is 1002223861. The reversal of 1002223860 is 683222001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002223860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002223861) 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 15 ways as a sum of consecutive naturals, for example, 758601 + ... + 759920.

It is an arithmetic number, because the mean of its divisors is an integer number (63777924).

Almost surely, 2^1002223860 is an apocalyptic number.

1002223860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002223860 is an abundant number, since it is smaller than the sum of its proper divisors (2059116492).

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

1002223860 is a wasteful number, since it uses less digits than its factorization.

1002223860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518544 (or 1518542 counting only the distinct ones).

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

The square root of 1002223860 is about 31657.9193883616. The cubic root of 1002223860 is about 1000.7407378386.

Adding to 1002223860 its reverse (683222001), we get a palindrome (1685445861).

The spelling of 1002223860 in words is "one billion, two million, two hundred twenty-three thousand, eight hundred sixty".