224542818 has 24 divisors (see below), whose sum is σ = 497825328. Its totient is φ = 73106712.

The previous prime is 224542807. The next prime is 224542819. The reversal of 224542818 is 818245422.

224542818 is a `hidden beast` number, since 224 + 5 + 428 + 1 + 8 = 666.

It is a super-2 number, since 2×224542818² = 100838954230762248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (224542819) 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, 144280 + ... + 145827.

It is an arithmetic number, because the mean of its divisors is an integer number (20742722).

Almost surely, 2^224542818 is an apocalyptic number.

224542818 is an abundant number, since it is smaller than the sum of its proper divisors (273282510).

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

224542818 is a wasteful number, since it uses less digits than its factorization.

224542818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290158 (or 290155 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 224542818 is about 14984.7528508147. The cubic root of 224542818 is about 607.8079686284.

The spelling of 224542818 in words is "two hundred twenty-four million, five hundred forty-two thousand, eight hundred eighteen".