10021002222 has 32 divisors (see below), whose sum is σ = 24987435264. Its totient is φ = 2602857600.

The previous prime is 10021002151. The next prime is 10021002239. The reversal of 10021002222 is 22220012001.

It is a junction number, because it is equal to n+sod(n) for n = 10021002198 and 10021002207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10844779 + ... + 10845702.

It is an arithmetic number, because the mean of its divisors is an integer number (780857352).

Almost surely, 2^10021002222 is an apocalyptic number.

10021002222 is an abundant number, since it is smaller than the sum of its proper divisors (14966433042).

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

10021002222 is a wasteful number, since it uses less digits than its factorization.

10021002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21690504.

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

Adding to 10021002222 its reverse (22220012001), we get a palindrome (32241014223).

The spelling of 10021002222 in words is "ten billion, twenty-one million, two thousand, two hundred twenty-two".