218055092 has 6 divisors (see below), whose sum is σ = 381596418. Its totient is φ = 109027544.

The previous prime is 218055059. The next prime is 218055119. The reversal of 218055092 is 290550812.

It can be written as a sum of positive squares in only one way, i.e., 121308196 + 96746896 = 11014^2 + 9836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27256883 + ... + 27256890.

It is an arithmetic number, because the mean of its divisors is an integer number (63599403).

Almost surely, 2^218055092 is an apocalyptic number.

It is an amenable number.

218055092 is a deficient number, since it is larger than the sum of its proper divisors (163541326).

218055092 is a wasteful number, since it uses less digits than its factorization.

218055092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54513777 (or 54513775 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 218055092 is about 14766.6885929107. The cubic root of 218055092 is about 601.8968598480.

The spelling of 218055092 in words is "two hundred eighteen million, fifty-five thousand, ninety-two".