1002206280 has 32 divisors (see below), whose sum is σ = 3006619200. Its totient is φ = 267254976.

The previous prime is 1002206237. The next prime is 1002206291. The reversal of 1002206280 is 826022001.

It is a super-3 number, since 3×1002206280³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4175740 + ... + 4175979.

It is an arithmetic number, because the mean of its divisors is an integer number (93956850).

Almost surely, 2^1002206280 is an apocalyptic number.

1002206280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002206280 is an abundant number, since it is smaller than the sum of its proper divisors (2004412920).

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

1002206280 is a wasteful number, since it uses less digits than its factorization.

1002206280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351733 (or 8351729 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1002206280 is about 31657.6417314998. The cubic root of 1002206280 is about 1000.7348864762.

Adding to 1002206280 its reverse (826022001), we get a palindrome (1828228281).

The spelling of 1002206280 in words is "one billion, two million, two hundred six thousand, two hundred eighty".