2243601 has 12 divisors (see below), whose sum is σ = 3278340. Its totient is φ = 1478400.

The previous prime is 2243597. The next prime is 2243617. The reversal of 2243601 is 1063422.

It is a happy number.

2243601 is a `hidden beast` number, since 22 + 43 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 1476225 = 876^2 + 1215^2 .

It is not a de Polignac number, because 2243601 - 2² = 2243597 is a prime.

2243601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2243621) 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, 600 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (273195).

2^2243601 is an apocalyptic number.

2243601 is the 801-st nonagonal number.

It is an amenable number.

2243601 is a deficient number, since it is larger than the sum of its proper divisors (1034739).

2243601 is a wasteful number, since it uses less digits than its factorization.

2243601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2243601 is about 1497.8654812766. The cubic root of 2243601 is about 130.9127286184.

The spelling of 2243601 in words is "two million, two hundred forty-three thousand, six hundred one".