1222664996 has 24 divisors (see below), whose sum is σ = 2446132416. Its totient is φ = 523827360.

The previous prime is 1222664959. The next prime is 1222665011. The reversal of 1222664996 is 6994662221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222664996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118151 + ... + 128081.

It is an arithmetic number, because the mean of its divisors is an integer number (101922184).

Almost surely, 2^1222664996 is an apocalyptic number.

It is an amenable number.

1222664996 is an abundant number, since it is smaller than the sum of its proper divisors (1223467420).

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

1222664996 is a wasteful number, since it uses less digits than its factorization.

1222664996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14339 (or 14337 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 1222664996 is about 34966.6268890781. The cubic root of 1222664996 is about 1069.3072046011.

The spelling of 1222664996 in words is "one billion, two hundred twenty-two million, six hundred sixty-four thousand, nine hundred ninety-six".