2162772 has 18 divisors (see below), whose sum is σ = 5467098. Its totient is φ = 720912.

The previous prime is 2162747. The next prime is 2162803. The reversal of 2162772 is 2772612.

It can be written as a sum of positive squares in only one way, i.e., 1758276 + 404496 = 1326^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30003 + ... + 30074.

2^2162772 is an apocalyptic number.

It is an amenable number.

2162772 is an abundant number, since it is smaller than the sum of its proper divisors (3304326).

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

2162772 is a wasteful number, since it uses less digits than its factorization.

2162772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60087 (or 60082 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2162772 is about 1470.6365968519. The cubic root of 2162772 is about 129.3213549209.

The spelling of 2162772 in words is "two million, one hundred sixty-two thousand, seven hundred seventy-two".