202212222122 has 4 divisors (see below), whose sum is σ = 303318333186. Its totient is φ = 101106111060.

The previous prime is 202212222103. The next prime is 202212222151. The reversal of 202212222122 is 221222212202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116935957681 + 85276264441 = 341959^2 + 292021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202212222094 and 202212222103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50553055529 + ... + 50553055532.

Almost surely, 2^202212222122 is an apocalyptic number.

202212222122 is a deficient number, since it is larger than the sum of its proper divisors (101106111064).

202212222122 is a wasteful number, since it uses less digits than its factorization.

202212222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101106111063.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202212222122 its reverse (221222212202), we get a palindrome (423434434324).

The spelling of 202212222122 in words is "two hundred two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".