1222352160 has 192 divisors, whose sum is σ = 3959746560. Its totient is φ = 316846080.

The previous prime is 1222352149. The next prime is 1222352177. The reversal of 1222352160 is 612532221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1222352160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3191329 + ... + 3191711.

It is an arithmetic number, because the mean of its divisors is an integer number (20623680).

Almost surely, 2^1222352160 is an apocalyptic number.

1222352160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222352160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979873280).

1222352160 is an abundant number, since it is smaller than the sum of its proper divisors (2737394400).

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

1222352160 is a wasteful number, since it uses less digits than its factorization.

1222352160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1222352160 is about 34962.1532517664. The cubic root of 1222352160 is about 1069.2159977363.

Adding to 1222352160 its reverse (612532221), we get a palindrome (1834884381).

The spelling of 1222352160 in words is "one billion, two hundred twenty-two million, three hundred fifty-two thousand, one hundred sixty".