10222212212 has 6 divisors (see below), whose sum is σ = 17888871378. Its totient is φ = 5111106104.

The previous prime is 10222212193. The next prime is 10222212223. The reversal of 10222212212 is 21221222201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5333965156 + 4888247056 = 73034^2 + 69916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277776523 + ... + 1277776530.

It is an arithmetic number, because the mean of its divisors is an integer number (2981478563).

Almost surely, 2^10222212212 is an apocalyptic number.

It is an amenable number.

10222212212 is a deficient number, since it is larger than the sum of its proper divisors (7666659166).

10222212212 is a wasteful number, since it uses less digits than its factorization.

10222212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555553057 (or 2555553055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10222212212 its reverse (21221222201), we get a palindrome (31443434413).

It can be divided in two parts, 10 and 222212212, that added together give a palindrome (222212222).

The spelling of 10222212212 in words is "ten billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twelve".