225732167 has 2 divisors, whose sum is σ = 225732168. Its totient is φ = 225732166.

The previous prime is 225732149. The next prime is 225732187. The reversal of 225732167 is 761237522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225732167 - 2¹⁸ = 225470023 is a prime.

It is a super-2 number, since 2×225732167² = 101910022437031778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225732127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112866083 + 112866084.

It is an arithmetic number, because the mean of its divisors is an integer number (112866084).

Almost surely, 2^225732167 is an apocalyptic number.

225732167 is a deficient number, since it is larger than the sum of its proper divisors (1).

225732167 is an equidigital number, since it uses as much as digits as its factorization.

225732167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 225732167 is about 15024.3857445155. The cubic root of 225732167 is about 608.8792167374.

Adding to 225732167 its reverse (761237522), we get a palindrome (986969689).

The spelling of 225732167 in words is "two hundred twenty-five million, seven hundred thirty-two thousand, one hundred sixty-seven".