200402231 has 4 divisors (see below), whose sum is σ = 205062792. Its totient is φ = 195741672.

The previous prime is 200402227. The next prime is 200402233. The reversal of 200402231 is 132204002.

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

It is a cyclic number.

It is not a de Polignac number, because 200402231 - 2² = 200402227 is a prime.

It is a super-2 number, since 2×200402231² = 80322108379554722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200402233) 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, 2330216 + ... + 2330301.

It is an arithmetic number, because the mean of its divisors is an integer number (51265698).

Almost surely, 2^200402231 is an apocalyptic number.

200402231 is a deficient number, since it is larger than the sum of its proper divisors (4660561).

200402231 is an equidigital number, since it uses as much as digits as its factorization.

200402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660560.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 200402231 is about 14156.3494941316. The cubic root of 200402231 is about 585.1953286420.

Adding to 200402231 its reverse (132204002), we get a palindrome (332606233).

The spelling of 200402231 in words is "two hundred million, four hundred two thousand, two hundred thirty-one".