218933082 has 24 divisors (see below), whose sum is σ = 476349120. Its totient is φ = 72670920.

The previous prime is 218933069. The next prime is 218933083. The reversal of 218933082 is 280339812.

It is a happy number.

218933082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (218933083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21144 + ... + 29747.

It is an arithmetic number, because the mean of its divisors is an integer number (19847880).

Almost surely, 2^218933082 is an apocalyptic number.

218933082 is an abundant number, since it is smaller than the sum of its proper divisors (257416038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218933082 is a wasteful number, since it uses less digits than its factorization.

218933082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51138 (or 51135 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 218933082 is about 14796.3874645131. The cubic root of 218933082 is about 602.7036158043.

The spelling of 218933082 in words is "two hundred eighteen million, nine hundred thirty-three thousand, eighty-two".