223531472 has 20 divisors (see below), whose sum is σ = 434138880. Its totient is φ = 111495648.

The previous prime is 223531463. The next prime is 223531481. The reversal of 223531472 is 274135322.

It is an interprime number because it is at equal distance from previous prime (223531463) and next prime (223531481).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9968 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (21706944).

Almost surely, 2^223531472 is an apocalyptic number.

It is an amenable number.

223531472 is a deficient number, since it is larger than the sum of its proper divisors (210607408).

223531472 is a wasteful number, since it uses less digits than its factorization.

223531472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33770 (or 33764 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 223531472 is about 14950.9689318117. The cubic root of 223531472 is about 606.8940681675.

Adding to 223531472 its reverse (274135322), we get a palindrome (497666794).

The spelling of 223531472 in words is "two hundred twenty-three million, five hundred thirty-one thousand, four hundred seventy-two".