224220031 has 12 divisors (see below), whose sum is σ = 272169072. Its totient is φ = 183831648.

The previous prime is 224220023. The next prime is 224220043. The reversal of 224220031 is 130022422.

It is not a de Polignac number, because 224220031 - 2³ = 224220023 is a prime.

It is a super-2 number, since 2×224220031² = 100549244603281922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224219987 and 224220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224220071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98350 + ... + 100603.

It is an arithmetic number, because the mean of its divisors is an integer number (22680756).

Almost surely, 2^224220031 is an apocalyptic number.

224220031 is a deficient number, since it is larger than the sum of its proper divisors (47949041).

224220031 is a wasteful number, since it uses less digits than its factorization.

224220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198990 (or 198983 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 224220031 is about 14973.9784626531. The cubic root of 224220031 is about 607.5165815951.

Adding to 224220031 its reverse (130022422), we get a palindrome (354242453).

The spelling of 224220031 in words is "two hundred twenty-four million, two hundred twenty thousand, thirty-one".