223425544 has 16 divisors (see below), whose sum is σ = 419248620. Its totient is φ = 111625920.

The previous prime is 223425539. The next prime is 223425547. The reversal of 223425544 is 445524322.

It can be written as a sum of positive squares in 2 ways, for example, as 189062500 + 34363044 = 13750^2 + 5862^2 .

It is not an unprimeable number, because it can be changed into a prime (223425547) 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, 814 + ... + 21154.

Almost surely, 2^223425544 is an apocalyptic number.

It is an amenable number.

223425544 is a deficient number, since it is larger than the sum of its proper divisors (195823076).

223425544 is a wasteful number, since it uses less digits than its factorization.

223425544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21720 (or 21716 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 223425544 is about 14947.4259991478. The cubic root of 223425544 is about 606.7981872134.

Adding to 223425544 its reverse (445524322), we get a palindrome (668949866).

The spelling of 223425544 in words is "two hundred twenty-three million, four hundred twenty-five thousand, five hundred forty-four".