218239054 has 32 divisors (see below), whose sum is σ = 383045760. Its totient is φ = 92196000.

The previous prime is 218239051. The next prime is 218239067. The reversal of 218239054 is 450932812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218239051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17229 + ... + 27079.

It is an arithmetic number, because the mean of its divisors is an integer number (11970180).

Almost surely, 2^218239054 is an apocalyptic number.

218239054 is a deficient number, since it is larger than the sum of its proper divisors (164806706).

218239054 is a wasteful number, since it uses less digits than its factorization.

218239054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 218239054 is about 14772.9162320782. The cubic root of 218239054 is about 602.0660755352.

The spelling of 218239054 in words is "two hundred eighteen million, two hundred thirty-nine thousand, fifty-four".