216022553 has 8 divisors (see below), whose sum is σ = 229759488. Its totient is φ = 202400064.

The previous prime is 216022531. The next prime is 216022561. The reversal of 216022553 is 355220612.

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

It is a cyclic number.

It is not a de Polignac number, because 216022553 - 2⁶ = 216022489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216022253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24701 + ... + 32282.

It is an arithmetic number, because the mean of its divisors is an integer number (28719936).

Almost surely, 2^216022553 is an apocalyptic number.

It is an amenable number.

216022553 is a deficient number, since it is larger than the sum of its proper divisors (13736935).

216022553 is a wasteful number, since it uses less digits than its factorization.

216022553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57223.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 216022553 is about 14697.7057053133. The cubic root of 216022553 is about 600.0208816807.

The spelling of 216022553 in words is "two hundred sixteen million, twenty-two thousand, five hundred fifty-three".