402233 has 4 divisors (see below), whose sum is σ = 433188. Its totient is φ = 371280.

The previous prime is 402223. The next prime is 402239. The reversal of 402233 is 332204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 316969 = 292^2 + 563^2 .

It is not a de Polignac number, because 402233 - 2¹⁰ = 401209 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15458 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (108297).

2⁴⁰²²³³ is an apocalyptic number.

It is an amenable number.

402233 is a deficient number, since it is larger than the sum of its proper divisors (30955).

402233 is a wasteful number, since it uses less digits than its factorization.

402233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 402233 is about 634.2184166358. The cubic root of 402233 is about 73.8174829995.

Adding to 402233 its reverse (332204), we get a palindrome (734437).

The spelling of 402233 in words is "four hundred two thousand, two hundred thirty-three".