223520272 has 40 divisors (see below), whose sum is σ = 440643672. Its totient is φ = 109824000.

The previous prime is 223520257. The next prime is 223520273. The reversal of 223520272 is 272025322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34292736 + 189227536 = 5856^2 + 13756^2 .

It is a super-2 number, since 2×223520272² = 99922623989907968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223520273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253272 + ... + 254152.

Almost surely, 2^223520272 is an apocalyptic number.

It is an amenable number.

223520272 is a deficient number, since it is larger than the sum of its proper divisors (217123400).

223520272 is a wasteful number, since it uses less digits than its factorization.

223520272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 223520272 is about 14950.5943694557. The cubic root of 223520272 is about 606.8839318960.

Adding to 223520272 its reverse (272025322), we get a palindrome (495545594).

The spelling of 223520272 in words is "two hundred twenty-three million, five hundred twenty thousand, two hundred seventy-two".