224221020131 has 8 divisors (see below), whose sum is σ = 224802740880. Its totient is φ = 223639951072.

The previous prime is 224221020091. The next prime is 224221020181. The reversal of 224221020131 is 131020122422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224221020131 is a prime.

It is a super-2 number, since 2×224221020131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224221020181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529901 + ... + 853953.

It is an arithmetic number, because the mean of its divisors is an integer number (28100342610).

Almost surely, 2^224221020131 is an apocalyptic number.

224221020131 is a deficient number, since it is larger than the sum of its proper divisors (581720749).

224221020131 is a wasteful number, since it uses less digits than its factorization.

224221020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325845.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 224221020131 its reverse (131020122422), we get a palindrome (355241142553).

The spelling of 224221020131 in words is "two hundred twenty-four billion, two hundred twenty-one million, twenty thousand, one hundred thirty-one".