2210947 has 2 divisors, whose sum is σ = 2210948. Its totient is φ = 2210946.

The previous prime is 2210939. The next prime is 2210959. The reversal of 2210947 is 7490122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210947 - 2³ = 2210939 is a prime.

It is equal to p₁₆₃₄₃₈ and since 2210947 and 163438 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2210977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105473 + 1105474.

It is an arithmetic number, because the mean of its divisors is an integer number (1105474).

2^2210947 is an apocalyptic number.

2210947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210947 is an equidigital number, since it uses as much as digits as its factorization.

2210947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2210947 is about 1486.9253511861. The cubic root of 2210947 is about 130.2745086954.

The spelling of 2210947 in words is "two million, two hundred ten thousand, nine hundred forty-seven".