216202426 has 8 divisors (see below), whose sum is σ = 353785824. Its totient is φ = 98273820.

The previous prime is 216202417. The next prime is 216202451. The reversal of 216202426 is 624202612.

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

It is a self number, because there is not a number n which added to its sum of digits gives 216202426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913670 + ... + 4913713.

It is an arithmetic number, because the mean of its divisors is an integer number (44223228).

Almost surely, 2^216202426 is an apocalyptic number.

216202426 is a deficient number, since it is larger than the sum of its proper divisors (137583398).

216202426 is a wasteful number, since it uses less digits than its factorization.

216202426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827396.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 216202426 is about 14703.8235163511. The cubic root of 216202426 is about 600.1873729610.

The spelling of 216202426 in words is "two hundred sixteen million, two hundred two thousand, four hundred twenty-six".