1222608946 has 16 divisors (see below), whose sum is σ = 1978210584. Its totient is φ = 563359104.

The previous prime is 1222608943. The next prime is 1222608973. The reversal of 1222608946 is 6498062221.

It can be written as a sum of positive squares in 4 ways, for example, as 565250625 + 657358321 = 23775^2 + 25639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222608899 and 1222608908.

It is not an unprimeable number, because it can be changed into a prime (1222608943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22065 + ... + 54148.

Almost surely, 2^1222608946 is an apocalyptic number.

1222608946 is a deficient number, since it is larger than the sum of its proper divisors (755601638).

1222608946 is a wasteful number, since it uses less digits than its factorization.

1222608946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76845.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1222608946 is about 34965.8254013830. The cubic root of 1222608946 is about 1069.2908644521.

The spelling of 1222608946 in words is "one billion, two hundred twenty-two million, six hundred eight thousand, nine hundred forty-six".