402202242242 has 8 divisors (see below), whose sum is σ = 638791796556. Its totient is φ = 189271643392.

The previous prime is 402202242209. The next prime is 402202242271. The reversal of 402202242242 is 242242202204.

It can be written as a sum of positive squares in 2 ways, for example, as 369346692121 + 32855550121 = 607739^2 + 181261^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5914738823 + ... + 5914738890.

Almost surely, 2^402202242242 is an apocalyptic number.

402202242242 is a deficient number, since it is larger than the sum of its proper divisors (236589554314).

402202242242 is a wasteful number, since it uses less digits than its factorization.

402202242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11829477732.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 402202242242 its reverse (242242202204), we get a palindrome (644444444446).

The spelling of 402202242242 in words is "four hundred two billion, two hundred two million, two hundred forty-two thousand, two hundred forty-two".