1222100368 has 80 divisors (see below), whose sum is σ = 2618136000. Its totient is φ = 550319616.

The previous prime is 1222100359. The next prime is 1222100419. The reversal of 1222100368 is 8630012221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589638 + ... + 591706.

It is an arithmetic number, because the mean of its divisors is an integer number (32726700).

Almost surely, 2^1222100368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222100368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309068000).

1222100368 is an abundant number, since it is smaller than the sum of its proper divisors (1396035632).

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

1222100368 is a wasteful number, since it uses less digits than its factorization.

1222100368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1222100368 is about 34958.5521439318. The cubic root of 1222100368 is about 1069.1425768540.

Adding to 1222100368 its reverse (8630012221), we get a palindrome (9852112589).

The spelling of 1222100368 in words is "one billion, two hundred twenty-two million, one hundred thousand, three hundred sixty-eight".