224422531 has 4 divisors (see below), whose sum is σ = 224676432. Its totient is φ = 224168632.

The previous prime is 224422493. The next prime is 224422553. The reversal of 224422531 is 135224422.

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 224422531 - 2⁷ = 224422403 is a prime.

It is a super-2 number, since 2×224422531² = 100730944840891922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224422496 and 224422505.

It is not an unprimeable number, because it can be changed into a prime (224422591) 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, 125620 + ... + 127393.

It is an arithmetic number, because the mean of its divisors is an integer number (56169108).

Almost surely, 2^224422531 is an apocalyptic number.

224422531 is a deficient number, since it is larger than the sum of its proper divisors (253901).

224422531 is an equidigital number, since it uses as much as digits as its factorization.

224422531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253900.

The product of its digits is 3840, while the sum is 25.

The square root of 224422531 is about 14980.7386667013. The cubic root of 224422531 is about 607.6994155295.

Adding to 224422531 its reverse (135224422), we get a palindrome (359646953).

The spelling of 224422531 in words is "two hundred twenty-four million, four hundred twenty-two thousand, five hundred thirty-one".