2662281 has 16 divisors (see below), whose sum is σ = 3976320. Its totient is φ = 1760400.

The previous prime is 2662271. The next prime is 2662291. The reversal of 2662281 is 1822662.

2662281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2662271) and next prime (2662291).

It is not a de Polignac number, because 2662281 - 2¹⁷ = 2531209 is a prime.

It is a super-2 number, since 2×2662281² = 14175480245922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662201) 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 15 ways as a sum of consecutive naturals, for example, 3751 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (248520).

2^2662281 is an apocalyptic number.

It is an amenable number.

2662281 is a deficient number, since it is larger than the sum of its proper divisors (1314039).

2662281 is a wasteful number, since it uses less digits than its factorization.

2662281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 807 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2662281 is about 1631.6497785983. The cubic root of 2662281 is about 138.5961918708.

The spelling of 2662281 in words is "two million, six hundred sixty-two thousand, two hundred eighty-one".