224781139964 has 24 divisors (see below), whose sum is σ = 397035528288. Its totient is φ = 111343357440.

The previous prime is 224781139963. The next prime is 224781139987. The reversal of 224781139964 is 469931187422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224781139963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849569 + ... + 1082279.

It is an arithmetic number, because the mean of its divisors is an integer number (16543147012).

Almost surely, 2^224781139964 is an apocalyptic number.

It is an amenable number.

224781139964 is a deficient number, since it is larger than the sum of its proper divisors (172254388324).

224781139964 is a wasteful number, since it uses less digits than its factorization.

224781139964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234965 (or 234963 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The spelling of 224781139964 in words is "two hundred twenty-four billion, seven hundred eighty-one million, one hundred thirty-nine thousand, nine hundred sixty-four".