224025831 has 36 divisors (see below), whose sum is σ = 342204408. Its totient is φ = 146453184.

The previous prime is 224025811. The next prime is 224025869. The reversal of 224025831 is 138520422.

It is not a de Polignac number, because 224025831 - 2¹³ = 224017639 is a prime.

It is a super-2 number, since 2×224025831² = 100375145910481122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 224025795 and 224025804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224025811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1294861 + ... + 1295033.

It is an arithmetic number, because the mean of its divisors is an integer number (9505678).

Almost surely, 2^224025831 is an apocalyptic number.

224025831 is a deficient number, since it is larger than the sum of its proper divisors (118178577).

224025831 is an frugal number, since it uses more digits than its factorization.

224025831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 224025831 is about 14967.4924753614. The cubic root of 224025831 is about 607.3411381593.

The spelling of 224025831 in words is "two hundred twenty-four million, twenty-five thousand, eight hundred thirty-one".