222102444122 has 16 divisors (see below), whose sum is σ = 359072852040. Its totient is φ = 102425397312.

The previous prime is 222102444119. The next prime is 222102444133. The reversal of 222102444122 is 221444201222.

It can be written as a sum of positive squares in 4 ways, for example, as 211001503801 + 11100940321 = 459349^2 + 105361^2 .

It is a super-2 number, since 2×222102444122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 222102444091 and 222102444100.

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, 3443393 + ... + 3507300.

Almost surely, 2^222102444122 is an apocalyptic number.

222102444122 is a deficient number, since it is larger than the sum of its proper divisors (136970407918).

222102444122 is a wasteful number, since it uses less digits than its factorization.

222102444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951937.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 222102444122 its reverse (221444201222), we get a palindrome (443546645344).

The spelling of 222102444122 in words is "two hundred twenty-two billion, one hundred two million, four hundred forty-four thousand, one hundred twenty-two".