1222160 has 20 divisors (see below), whose sum is σ = 2841708. Its totient is φ = 488832.

The previous prime is 1222159. The next prime is 1222171. The reversal of 1222160 is 612221.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 976144 = 496^2 + 988^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7559 + ... + 7718.

2^1222160 is an apocalyptic number.

1222160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222160 is an abundant number, since it is smaller than the sum of its proper divisors (1619548).

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

1222160 is a wasteful number, since it uses less digits than its factorization.

1222160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15290 (or 15284 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1222160 is about 1105.5134553681. The cubic root of 1222160 is about 106.9159966062.

Adding to 1222160 its reverse (612221), we get a palindrome (1834381).

The spelling of 1222160 in words is "one million, two hundred twenty-two thousand, one hundred sixty".