216061922 has 8 divisors (see below), whose sum is σ = 324641196. Its totient is φ = 107848192.

The previous prime is 216061921. The next prime is 216061991. The reversal of 216061922 is 229160612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192626641 + 23435281 = 13879^2 + 4841^2 .

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

It is not an unprimeable number, because it can be changed into a prime (216061921) 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, 89903 + ... + 92274.

Almost surely, 2^216061922 is an apocalyptic number.

216061922 is a deficient number, since it is larger than the sum of its proper divisors (108579274).

216061922 is a wasteful number, since it uses less digits than its factorization.

216061922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182772.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 216061922 is about 14699.0449349609. The cubic root of 216061922 is about 600.0573297072.

The spelling of 216061922 in words is "two hundred sixteen million, sixty-one thousand, nine hundred twenty-two".