22222322102212 has 6 divisors (see below), whose sum is σ = 38889063678878. Its totient is φ = 11111161051104.

The previous prime is 22222322102207. The next prime is 22222322102221. The reversal of 22222322102212 is 21220122322222.

It can be written as a sum of positive squares in only one way, i.e., 22200908462656 + 21413639556 = 4711784^2 + 146334^2 .

It is a super-2 number, since 2×22222322102212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777790262773 + ... + 2777790262780.

Almost surely, 2^{22222322102212} is an apocalyptic number.

It is an amenable number.

22222322102212 is a deficient number, since it is larger than the sum of its proper divisors (16666741576666).

22222322102212 is a wasteful number, since it uses less digits than its factorization.

22222322102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555580525557 (or 5555580525555 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22222322102212 its reverse (21220122322222), we get a palindrome (43442444424434).

The spelling of 22222322102212 in words is "twenty-two trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred two thousand, two hundred twelve".