2212220222122 has 16 divisors (see below), whose sum is σ = 3327968979720. Its totient is φ = 1102898552832.

The previous prime is 2212220222101. The next prime is 2212220222143.

2212220222122 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (2212220222101) and next prime (2212220222143).

It can be written as a sum of positive squares in 4 ways, for example, as 1809780968961 + 402439253161 = 1345281^2 + 634381^2 .

It is a super-2 number, since 2×2212220222122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212220222093 and 2212220222102.

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, 3038154 + ... + 3695242.

Almost surely, 2^{2212220222122} is an apocalyptic number.

2212220222122 is a deficient number, since it is larger than the sum of its proper divisors (1115748757598).

2212220222122 is a wasteful number, since it uses less digits than its factorization.

2212220222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661977.

The product of its (nonzero) digits is 1024, while the sum is 22.

Multiplying 2212220222122 by its sum of digits (22), we get a palindrome (48668844886684).

It can be divided in two parts, 2212220 and 222122, that added together give a palindrome (2434342).

The spelling of 2212220222122 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".