224139572 has 12 divisors (see below), whose sum is σ = 392451780. Its totient is φ = 112010496.

The previous prime is 224139571. The next prime is 224139581. The reversal of 224139572 is 275931422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104980516 + 119159056 = 10246^2 + 10916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224139571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5693 + ... + 21924.

It is an arithmetic number, because the mean of its divisors is an integer number (32704315).

Almost surely, 2^224139572 is an apocalyptic number.

It is an amenable number.

224139572 is a deficient number, since it is larger than the sum of its proper divisors (168312208).

224139572 is a wasteful number, since it uses less digits than its factorization.

224139572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650 (or 29648 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 224139572 is about 14971.2915942480. The cubic root of 224139572 is about 607.4439059227.

The spelling of 224139572 in words is "two hundred twenty-four million, one hundred thirty-nine thousand, five hundred seventy-two".