2270081 has 12 divisors (see below), whose sum is σ = 2539236. Its totient is φ = 2027520.

The previous prime is 2270071. The next prime is 2270111. The reversal of 2270081 is 1800722.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 379456 = 1375^2 + 616^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2270081 is a prime.

It is a super-2 number, since 2×2270081² = 10306535493122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8705 + ... + 8961.

It is an arithmetic number, because the mean of its divisors is an integer number (211603).

2^2270081 is an apocalyptic number.

It is an amenable number.

2270081 is a deficient number, since it is larger than the sum of its proper divisors (269155).

2270081 is a wasteful number, since it uses less digits than its factorization.

2270081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2270081 is about 1506.6787978863. The cubic root of 2270081 is about 131.4257461248.

The spelling of 2270081 in words is "two million, two hundred seventy thousand, eighty-one".