10022002221 has 32 divisors (see below), whose sum is σ = 17384306688. Its totient is φ = 4979874240.

The previous prime is 10022002189. The next prime is 10022002253. The reversal of 10022002221 is 12220022001.

It is an interprime number because it is at equal distance from previous prime (10022002189) and next prime (10022002253).

It is not a de Polignac number, because 10022002221 - 2⁵ = 10022002189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10022002197 and 10022002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022002261) 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 31 ways as a sum of consecutive naturals, for example, 937846 + ... + 948471.

It is an arithmetic number, because the mean of its divisors is an integer number (543259584).

Almost surely, 2^10022002221 is an apocalyptic number.

10022002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10022002221 is a deficient number, since it is larger than the sum of its proper divisors (7362304467).

10022002221 is a wasteful number, since it uses less digits than its factorization.

10022002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886361.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10022002221 its reverse (12220022001), we get a palindrome (22242024222).

The spelling of 10022002221 in words is "ten billion, twenty-two million, two thousand, two hundred twenty-one".