2160221226 has 96 divisors (see below), whose sum is σ = 4811365440. Its totient is φ = 644700672.

The previous prime is 2160221213. The next prime is 2160221237. The reversal of 2160221226 is 6221220612.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2160221196 and 2160221205.

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 47 ways as a sum of consecutive naturals, for example, 6814420 + ... + 6814736.

It is an arithmetic number, because the mean of its divisors is an integer number (50118390).

Almost surely, 2^2160221226 is an apocalyptic number.

2160221226 is an abundant number, since it is smaller than the sum of its proper divisors (2651144214).

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

2160221226 is a wasteful number, since it uses less digits than its factorization.

2160221226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2160221226 is about 46478.1801063682. The cubic root of 2160221226 is about 1292.7049437134.

Adding to 2160221226 its reverse (6221220612), we get a palindrome (8381441838).

The spelling of 2160221226 in words is "two billion, one hundred sixty million, two hundred twenty-one thousand, two hundred twenty-six".