1122252212 has 12 divisors (see below), whose sum is σ = 2079467460. Its totient is φ = 528118656.

The previous prime is 1122252193. The next prime is 1122252221. The reversal of 1122252212 is 2122522211.

It can be written as a sum of positive squares in 2 ways, for example, as 351412516 + 770839696 = 18746^2 + 27764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8251787 + ... + 8251922.

It is an arithmetic number, because the mean of its divisors is an integer number (173288955).

Almost surely, 2^1122252212 is an apocalyptic number.

It is an amenable number.

1122252212 is a deficient number, since it is larger than the sum of its proper divisors (957215248).

1122252212 is a wasteful number, since it uses less digits than its factorization.

1122252212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503730 (or 16503728 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 1122252212 is about 33500.0330149091. The cubic root of 1122252212 is about 1039.1944612850.

Adding to 1122252212 its reverse (2122522211), we get a palindrome (3244774423).

The spelling of 1122252212 in words is "one billion, one hundred twenty-two million, two hundred fifty-two thousand, two hundred twelve".