218807148 has 36 divisors (see below), whose sum is σ = 593906712. Its totient is φ = 62516160.

The previous prime is 218807143. The next prime is 218807167. The reversal of 218807148 is 841708812.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (218807143) 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, 185473 + ... + 186648.

Almost surely, 2^218807148 is an apocalyptic number.

218807148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

218807148 is an abundant number, since it is smaller than the sum of its proper divisors (375099564).

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

218807148 is a wasteful number, since it uses less digits than its factorization.

218807148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372142 (or 372133 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 218807148 is about 14792.1312865996. The cubic root of 218807148 is about 602.5880318791.

The spelling of 218807148 in words is "two hundred eighteen million, eight hundred seven thousand, one hundred forty-eight".