224021064 has 32 divisors (see below), whose sum is σ = 560430720. Its totient is φ = 74623296.

The previous prime is 224021041. The next prime is 224021069. The reversal of 224021064 is 460120422.

It is a self number, because there is not a number n which added to its sum of digits gives 224021064.

It is not an unprimeable number, because it can be changed into a prime (224021069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55234 + ... + 59150.

It is an arithmetic number, because the mean of its divisors is an integer number (17513460).

Almost surely, 2^224021064 is an apocalyptic number.

224021064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

224021064 is an abundant number, since it is smaller than the sum of its proper divisors (336409656).

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

224021064 is a wasteful number, since it uses less digits than its factorization.

224021064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 224021064 is about 14967.3332294033. Note that the first 3 decimals coincide. The cubic root of 224021064 is about 607.3368302993.

Adding to 224021064 its reverse (460120422), we get a palindrome (684141486).

The spelling of 224021064 in words is "two hundred twenty-four million, twenty-one thousand, sixty-four".