1222009608 has 32 divisors (see below), whose sum is σ = 3070864800. Its totient is φ = 405224448.

The previous prime is 1222009603. The next prime is 1222009631. The reversal of 1222009608 is 8069002221.

It is not an unprimeable number, because it can be changed into a prime (1222009601) 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, 127278 + ... + 136541.

It is an arithmetic number, because the mean of its divisors is an integer number (95964525).

Almost surely, 2^1222009608 is an apocalyptic number.

It is an amenable number.

1222009608 is an abundant number, since it is smaller than the sum of its proper divisors (1848855192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222009608 is a wasteful number, since it uses less digits than its factorization.

1222009608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264021 (or 264017 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1222009608 is about 34957.2540111491. The cubic root of 1222009608 is about 1069.1161093654.

The spelling of 1222009608 in words is "one billion, two hundred twenty-two million, nine thousand, six hundred eight".