10002221222 has 32 divisors (see below), whose sum is σ = 17248896000. Its totient is φ = 4261174848.

The previous prime is 10002221219. The next prime is 10002221227. The reversal of 10002221222 is 22212220001.

It is a super-5 number, since 5×10002221222⁵ (a number of 51 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10002221197 and 10002221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002221227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149154 + ... + 2153802.

It is an arithmetic number, because the mean of its divisors is an integer number (539028000).

Almost surely, 2^10002221222 is an apocalyptic number.

10002221222 is a deficient number, since it is larger than the sum of its proper divisors (7246674778).

10002221222 is a wasteful number, since it uses less digits than its factorization.

10002221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10002221222 its reverse (22212220001), we get a palindrome (32214441223).

It can be divided in two parts, 1000 and 2221222, that added together give a palindrome (2222222).

The spelling of 10002221222 in words is "ten billion, two million, two hundred twenty-one thousand, two hundred twenty-two".