402242230 has 32 divisors (see below), whose sum is σ = 780663744. Its totient is φ = 148342656.

The previous prime is 402242221. The next prime is 402242233. The reversal of 402242230 is 32242204.

402242230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 402242198 and 402242207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402242233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164799 + ... + 167221.

It is an arithmetic number, because the mean of its divisors is an integer number (24395742).

Almost surely, 2^402242230 is an apocalyptic number.

402242230 is a deficient number, since it is larger than the sum of its proper divisors (378421514).

402242230 is a wasteful number, since it uses less digits than its factorization.

402242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 402242230 is about 20055.9774132302. The cubic root of 402242230 is about 738.1804762257.

Adding to 402242230 its reverse (32242204), we get a palindrome (434484434).

The spelling of 402242230 in words is "four hundred two million, two hundred forty-two thousand, two hundred thirty".