402226163 has 4 divisors (see below), whose sum is σ = 404247600. Its totient is φ = 400204728.

The previous prime is 402226159. The next prime is 402226183. The reversal of 402226163 is 361622204.

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 402226163 - 2² = 402226159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402226133) 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, 1010420 + ... + 1010817.

It is an arithmetic number, because the mean of its divisors is an integer number (101061900).

Almost surely, 2^402226163 is an apocalyptic number.

402226163 is a deficient number, since it is larger than the sum of its proper divisors (2021437).

402226163 is a wasteful number, since it uses less digits than its factorization.

402226163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021436.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 402226163 is about 20055.5768553288. The cubic root of 402226163 is about 738.1706475680.

Adding to 402226163 its reverse (361622204), we get a palindrome (763848367).

The spelling of 402226163 in words is "four hundred two million, two hundred twenty-six thousand, one hundred sixty-three".