224136464 has 20 divisors (see below), whose sum is σ = 457121040. Its totient is φ = 106169760.

The previous prime is 224136439. The next prime is 224136469. The reversal of 224136464 is 464631422.

It is a self number, because there is not a number n which added to its sum of digits gives 224136464.

It is not an unprimeable number, because it can be changed into a prime (224136469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368342 + ... + 368949.

It is an arithmetic number, because the mean of its divisors is an integer number (22856052).

Almost surely, 2^224136464 is an apocalyptic number.

It is an amenable number.

224136464 is an abundant number, since it is smaller than the sum of its proper divisors (232984576).

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

224136464 is a wasteful number, since it uses less digits than its factorization.

224136464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737318 (or 737312 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 224136464 is about 14971.1877952285. The cubic root of 224136464 is about 607.4410982311.

Adding to 224136464 its reverse (464631422), we get a palindrome (688767886).

The spelling of 224136464 in words is "two hundred twenty-four million, one hundred thirty-six thousand, four hundred sixty-four".