216282356 has 12 divisors (see below), whose sum is σ = 383679492. Its totient is φ = 106659648.

The previous prime is 216282337. The next prime is 216282359. The reversal of 216282356 is 653282612.

216282356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 72522256 + 143760100 = 8516^2 + 11990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216282359) 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, 370055 + ... + 370638.

It is an arithmetic number, because the mean of its divisors is an integer number (31973291).

Almost surely, 2^216282356 is an apocalyptic number.

It is an amenable number.

216282356 is a deficient number, since it is larger than the sum of its proper divisors (167397136).

216282356 is a wasteful number, since it uses less digits than its factorization.

216282356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740770 (or 740768 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 216282356 is about 14706.5412657089. The cubic root of 216282356 is about 600.2613269046.

The spelling of 216282356 in words is "two hundred sixteen million, two hundred eighty-two thousand, three hundred fifty-six".