2242949 has 2 divisors, whose sum is σ = 2242950. Its totient is φ = 2242948.

The previous prime is 2242939. The next prime is 2242951. The reversal of 2242949 is 9492422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 302500 = 1393^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242949 - 2²⁰ = 1194373 is a prime.

Together with 2242951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121474 + 1121475.

It is an arithmetic number, because the mean of its divisors is an integer number (1121475).

2^2242949 is an apocalyptic number.

It is an amenable number.

2242949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242949 is an equidigital number, since it uses as much as digits as its factorization.

2242949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 2242949 is about 1497.6478224202. The cubic root of 2242949 is about 130.9000461244.

The spelling of 2242949 in words is "two million, two hundred forty-two thousand, nine hundred forty-nine".