2294021 has 2 divisors, whose sum is σ = 2294022. Its totient is φ = 2294020.

The previous prime is 2294011. The next prime is 2294051. The reversal of 2294021 is 1204922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 829921 = 1210^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2294021 - 2⁶ = 2293957 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2293984 and 2294002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2294011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1147010 + 1147011.

It is an arithmetic number, because the mean of its divisors is an integer number (1147011).

2^2294021 is an apocalyptic number.

It is an amenable number.

2294021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2294021 is an equidigital number, since it uses as much as digits as its factorization.

2294021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2294021 is about 1514.6025881399. The cubic root of 2294021 is about 131.8861315222.

Adding to 2294021 its reverse (1204922), we get a palindrome (3498943).

The spelling of 2294021 in words is "two million, two hundred ninety-four thousand, twenty-one".