2162260 has 24 divisors (see below), whose sum is σ = 4606056. Its totient is φ = 852480.

The previous prime is 2162249. The next prime is 2162263. The reversal of 2162260 is 622612.

2162260 = T₁₆ + T₁₇ + ... + T₂₃₄.

2162260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 1948816 = 462^2 + 1396^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 720 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (191919).

2^2162260 is an apocalyptic number.

2162260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162260 is an abundant number, since it is smaller than the sum of its proper divisors (2443796).

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

2162260 is a wasteful number, since it uses less digits than its factorization.

2162260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2162260 is about 1470.4625122729. The cubic root of 2162260 is about 129.3111492282.

Adding to 2162260 its reverse (622612), we get a palindrome (2784872).

The spelling of 2162260 in words is "two million, one hundred sixty-two thousand, two hundred sixty".