2222142212 has 6 divisors (see below), whose sum is σ = 3888748878. Its totient is φ = 1111071104.

The previous prime is 2222142211. The next prime is 2222142253. The reversal of 2222142212 is 2122412222.

It can be written as a sum of positive squares in only one way, i.e., 1951342276 + 270799936 = 44174^2 + 16456^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2222142211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277767773 + ... + 277767780.

It is an arithmetic number, because the mean of its divisors is an integer number (648124813).

Almost surely, 2^2222142212 is an apocalyptic number.

It is an amenable number.

2222142212 is a deficient number, since it is larger than the sum of its proper divisors (1666606666).

2222142212 is a wasteful number, since it uses less digits than its factorization.

2222142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555535557 (or 555535555 counting only the distinct ones).

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

The square root of 2222142212 is about 47139.6034349039. The cubic root of 2222142212 is about 1304.9402187302.

Adding to 2222142212 its reverse (2122412222), we get a palindrome (4344554434).

The spelling of 2222142212 in words is "two billion, two hundred twenty-two million, one hundred forty-two thousand, two hundred twelve".