408262223 has 2 divisors, whose sum is σ = 408262224. Its totient is φ = 408262222.

The previous prime is 408262207. The next prime is 408262229. The reversal of 408262223 is 322262804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408262223 - 2⁴ = 408262207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408262229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204131111 + 204131112.

It is an arithmetic number, because the mean of its divisors is an integer number (204131112).

Almost surely, 2^408262223 is an apocalyptic number.

408262223 is a deficient number, since it is larger than the sum of its proper divisors (1).

408262223 is an equidigital number, since it uses as much as digits as its factorization.

408262223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 408262223 is about 20205.4998205934. The cubic root of 408262223 is about 741.8448145272.

The spelling of 408262223 in words is "four hundred eight million, two hundred sixty-two thousand, two hundred twenty-three".