402446223 has 12 divisors (see below), whose sum is σ = 586457040. Its totient is φ = 265922496.

The previous prime is 402446207. The next prime is 402446227. The reversal of 402446223 is 322644204.

It is not a de Polignac number, because 402446223 - 2⁴ = 402446207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402446227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196843 + ... + 198876.

It is an arithmetic number, because the mean of its divisors is an integer number (48871420).

Almost surely, 2^402446223 is an apocalyptic number.

402446223 is a deficient number, since it is larger than the sum of its proper divisors (184010817).

402446223 is a wasteful number, since it uses less digits than its factorization.

402446223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395838 (or 395835 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 402446223 is about 20061.0623597057. The cubic root of 402446223 is about 738.3052420096.

The spelling of 402446223 in words is "four hundred two million, four hundred forty-six thousand, two hundred twenty-three".