224020131 has 4 divisors (see below), whose sum is σ = 298693512. Its totient is φ = 149346752.

The previous prime is 224020117. The next prime is 224020141. The reversal of 224020131 is 131020422.

224020131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224020131 - 2⁹ = 224019619 is a prime.

It is a super-2 number, since 2×224020131² = 100370038186514322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224020131.

It is not an unprimeable number, because it can be changed into a prime (224020141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37336686 + ... + 37336691.

It is an arithmetic number, because the mean of its divisors is an integer number (74673378).

Almost surely, 2^224020131 is an apocalyptic number.

224020131 is a deficient number, since it is larger than the sum of its proper divisors (74673381).

224020131 is an equidigital number, since it uses as much as digits as its factorization.

224020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74673380.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 224020131 is about 14967.3020614939. The cubic root of 224020131 is about 607.3359871553.

Adding to 224020131 its reverse (131020422), we get a palindrome (355040553).

The spelling of 224020131 in words is "two hundred twenty-four million, twenty thousand, one hundred thirty-one".