224742575 has 6 divisors (see below), whose sum is σ = 278680824. Its totient is φ = 179794040.

The previous prime is 224742569. The next prime is 224742587. The reversal of 224742575 is 575247422.

It is a happy number.

It is not a de Polignac number, because 224742575 - 2⁸ = 224742319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4494827 + ... + 4494876.

It is an arithmetic number, because the mean of its divisors is an integer number (46446804).

Almost surely, 2^224742575 is an apocalyptic number.

224742575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

224742575 is a deficient number, since it is larger than the sum of its proper divisors (53938249).

224742575 is an equidigital number, since it uses as much as digits as its factorization.

224742575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989713 (or 8989708 counting only the distinct ones).

The product of its digits is 156800, while the sum is 38.

The square root of 224742575 is about 14991.4167109049. The cubic root of 224742575 is about 607.9881538767.

Adding to 224742575 its reverse (575247422), we get a palindrome (799989997).

The spelling of 224742575 in words is "two hundred twenty-four million, seven hundred forty-two thousand, five hundred seventy-five".