1002521322 has 24 divisors (see below), whose sum is σ = 2369596320. Its totient is φ = 303794280.

The previous prime is 1002521321. The next prime is 1002521383. The reversal of 1002521322 is 2231252001.

1002521322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002521295 and 1002521304.

It is not an unprimeable number, because it can be changed into a prime (1002521321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2531422 + ... + 2531817.

It is an arithmetic number, because the mean of its divisors is an integer number (98733180).

Almost surely, 2^1002521322 is an apocalyptic number.

1002521322 is an abundant number, since it is smaller than the sum of its proper divisors (1367074998).

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

1002521322 is a wasteful number, since it uses less digits than its factorization.

1002521322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063258 (or 5063255 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1002521322 is about 31662.6171059816. The cubic root of 1002521322 is about 1000.8397353139.

Adding to 1002521322 its reverse (2231252001), we get a palindrome (3233773323).

The spelling of 1002521322 in words is "one billion, two million, five hundred twenty-one thousand, three hundred twenty-two".