1222946212 has 6 divisors (see below), whose sum is σ = 2140155878. Its totient is φ = 611473104.

The previous prime is 1222946183. The next prime is 1222946213. The reversal of 1222946212 is 2126492221.

It can be written as a sum of positive squares in only one way, i.e., 825183076 + 397763136 = 28726^2 + 19944^2 .

It is not an unprimeable number, because it can be changed into a prime (1222946213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152868273 + ... + 152868280.

Almost surely, 2^1222946212 is an apocalyptic number.

It is an amenable number.

1222946212 is a deficient number, since it is larger than the sum of its proper divisors (917209666).

1222946212 is a wasteful number, since it uses less digits than its factorization.

1222946212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305736557 (or 305736555 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1222946212 is about 34970.6478636013. The cubic root of 1222946212 is about 1069.3891794250.

The spelling of 1222946212 in words is "one billion, two hundred twenty-two million, nine hundred forty-six thousand, two hundred twelve".