224445431 has 12 divisors (see below), whose sum is σ = 272442672. Its totient is φ = 184016448.

The previous prime is 224445427. The next prime is 224445443. The reversal of 224445431 is 134544422.

It is not a de Polignac number, because 224445431 - 2² = 224445427 is a prime.

It is a super-2 number, since 2×224445431² = 100751502993551522, 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 = 224445394 and 224445403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224445421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98450 + ... + 100703.

It is an arithmetic number, because the mean of its divisors is an integer number (22703556).

Almost surely, 2^224445431 is an apocalyptic number.

224445431 is a deficient number, since it is larger than the sum of its proper divisors (47997241).

224445431 is a wasteful number, since it uses less digits than its factorization.

224445431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199190 (or 199183 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 224445431 is about 14981.5029619862. The cubic root of 224445431 is about 607.7200846415.

Adding to 224445431 its reverse (134544422), we get a palindrome (358989853).

The spelling of 224445431 in words is "two hundred twenty-four million, four hundred forty-five thousand, four hundred thirty-one".