218266050 has 48 divisors (see below), whose sum is σ = 546697152. Its totient is φ = 57624000.

The previous prime is 218266049. The next prime is 218266051. The reversal of 218266050 is 50662812.

It is an interprime number because it is at equal distance from previous prime (218266049) and next prime (218266051).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 218265999 and 218266017.

It is not an unprimeable number, because it can be changed into a prime (218266051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7947 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (11389524).

Almost surely, 2^218266050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218266050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273348576).

218266050 is an abundant number, since it is smaller than the sum of its proper divisors (328431102).

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

218266050 is a wasteful number, since it uses less digits than its factorization.

218266050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14523 (or 14518 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 218266050 is about 14773.8299029060. The cubic root of 218266050 is about 602.0908995456.

The spelling of 218266050 in words is "two hundred eighteen million, two hundred sixty-six thousand, fifty".