2002221010 has 16 divisors (see below), whose sum is σ = 3635893656. Its totient is φ = 793800448.

The previous prime is 2002220999. The next prime is 2002221029. The reversal of 2002221010 is 101222002.

It can be written as a sum of positive squares in 4 ways, for example, as 886193361 + 1116027649 = 29769^2 + 33407^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 884809 + ... + 887068.

Almost surely, 2^2002221010 is an apocalyptic number.

2002221010 is a deficient number, since it is larger than the sum of its proper divisors (1633672646).

2002221010 is a wasteful number, since it uses less digits than its factorization.

2002221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771997.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2002221010 is about 44746.1843065976. The cubic root of 2002221010 is about 1260.3872602363.

Adding to 2002221010 its reverse (101222002), we get a palindrome (2103443012).

The spelling of 2002221010 in words is "two billion, two million, two hundred twenty-one thousand, ten".