272224233 has 10 divisors (see below), whose sum is σ = 406656074. Its totient is φ = 181482768.

The previous prime is 272224231. The next prime is 272224261. The reversal of 272224233 is 332422272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 161722089 + 110502144 = 12717^2 + 10512^2 .

It is not a de Polignac number, because 272224233 - 2¹ = 272224231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 272224197 and 272224206.

It is not an unprimeable number, because it can be changed into a prime (272224231) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1680316 + ... + 1680477.

Almost surely, 2^272224233 is an apocalyptic number.

It is an amenable number.

272224233 is a deficient number, since it is larger than the sum of its proper divisors (134431841).

272224233 is an equidigital number, since it uses as much as digits as its factorization.

272224233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360805 (or 3360796 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 272224233 is about 16499.2191633422. The cubic root of 272224233 is about 648.1003573990.

The spelling of 272224233 in words is "two hundred seventy-two million, two hundred twenty-four thousand, two hundred thirty-three".