402242314 has 4 divisors (see below), whose sum is σ = 603363474. Its totient is φ = 201121156.

The previous prime is 402242299. The next prime is 402242317. The reversal of 402242314 is 413242204.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 281132289 + 121110025 = 16767^2 + 11005^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (402242317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560577 + ... + 100560580.

Almost surely, 2^402242314 is an apocalyptic number.

402242314 is a deficient number, since it is larger than the sum of its proper divisors (201121160).

402242314 is a wasteful number, since it uses less digits than its factorization.

402242314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201121159.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 402242314 is about 20055.9795073689. The cubic root of 402242314 is about 738.1805276103.

Adding to 402242314 its reverse (413242204), we get a palindrome (815484518).

The spelling of 402242314 in words is "four hundred two million, two hundred forty-two thousand, three hundred fourteen".