1222344212 has 6 divisors (see below), whose sum is σ = 2139102378. Its totient is φ = 611172104.

The previous prime is 1222344199. The next prime is 1222344257. The reversal of 1222344212 is 2124432221.

It can be written as a sum of positive squares in only one way, i.e., 743434756 + 478909456 = 27266^2 + 21884^2 .

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, 152793023 + ... + 152793030.

It is an arithmetic number, because the mean of its divisors is an integer number (356517063).

Almost surely, 2^1222344212 is an apocalyptic number.

It is an amenable number.

1222344212 is a deficient number, since it is larger than the sum of its proper divisors (916758166).

1222344212 is a wasteful number, since it uses less digits than its factorization.

1222344212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305586057 (or 305586055 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 1222344212 is about 34962.0395858136. The cubic root of 1222344212 is about 1069.2136803061.

Adding to 1222344212 its reverse (2124432221), we get a palindrome (3346776433).

The spelling of 1222344212 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, two hundred twelve".