216354322 has 8 divisors (see below), whose sum is σ = 327744972. Its totient is φ = 107106000.

The previous prime is 216354317. The next prime is 216354367. The reversal of 216354322 is 223453612.

It can be written as a sum of positive squares in 2 ways, for example, as 147646801 + 68707521 = 12151^2 + 8289^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535329 + ... + 535732.

Almost surely, 2^216354322 is an apocalyptic number.

216354322 is a deficient number, since it is larger than the sum of its proper divisors (111390650).

216354322 is a wasteful number, since it uses less digits than its factorization.

216354322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071164.

The product of its digits is 8640, while the sum is 28.

The square root of 216354322 is about 14708.9877965821. The cubic root of 216354322 is about 600.3278966995.

The spelling of 216354322 in words is "two hundred sixteen million, three hundred fifty-four thousand, three hundred twenty-two".