1001022002 has 8 divisors (see below), whose sum is σ = 1505316396. Its totient is φ = 499249872.

The previous prime is 1001021981. The next prime is 1001022007. The reversal of 1001022002 is 2002201001.

1001022002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 818474881 + 182547121 = 28609^2 + 13511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1001022007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629573 + ... + 631160.

Almost surely, 2^1001022002 is an apocalyptic number.

1001022002 is a deficient number, since it is larger than the sum of its proper divisors (504294394).

1001022002 is a wasteful number, since it uses less digits than its factorization.

1001022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261132.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1001022002 is about 31638.9317455568. The cubic root of 1001022002 is about 1000.3405513449.

Adding to 1001022002 its reverse (2002201001), we get a palindrome (3003223003).

The spelling of 1001022002 in words is "one billion, one million, twenty-two thousand, two".