402280233 has 8 divisors (see below), whose sum is σ = 549456096. Its totient is φ = 261645600.

The previous prime is 402280201. The next prime is 402280237. The reversal of 402280233 is 332082204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402280233 - 2⁵ = 402280201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402280237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635163 + ... + 1635408.

It is an arithmetic number, because the mean of its divisors is an integer number (68682012).

Almost surely, 2^402280233 is an apocalyptic number.

It is an amenable number.

402280233 is a deficient number, since it is larger than the sum of its proper divisors (147175863).

402280233 is a wasteful number, since it uses less digits than its factorization.

402280233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270615.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 402280233 is about 20056.9248141384. The cubic root of 402280233 is about 738.2037227400.

It can be divided in two parts, 4022 and 80233, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 402280233 in words is "four hundred two million, two hundred eighty thousand, two hundred thirty-three".