2209967 has 2 divisors, whose sum is σ = 2209968. Its totient is φ = 2209966.

The previous prime is 2209957. The next prime is 2209979. The reversal of 2209967 is 7699022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2209967 - 2⁶ = 2209903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104983 + 1104984.

It is an arithmetic number, because the mean of its divisors is an integer number (1104984).

2^2209967 is an apocalyptic number.

2209967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209967 is an equidigital number, since it uses as much as digits as its factorization.

2209967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2209967 is about 1486.5957755893. The cubic root of 2209967 is about 130.2552578365.

The spelling of 2209967 in words is "two million, two hundred nine thousand, nine hundred sixty-seven".