222525 has 36 divisors (see below), whose sum is σ = 425568. Its totient is φ = 110880.

The previous prime is 222511. The next prime is 222527. The reversal of 222525 is 525222.

It is not a de Polignac number, because 222525 - 2⁵ = 222493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222498 and 222507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222527) 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 35 ways as a sum of consecutive naturals, for example, 5154 + ... + 5196.

2²²²⁵²⁵ is an apocalyptic number.

222525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222525 is a deficient number, since it is larger than the sum of its proper divisors (203043).

222525 is a wasteful number, since it uses less digits than its factorization.

222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 74 counting only the distinct ones).

The product of its digits is 400, while the sum is 18.

The square root of 222525 is about 471.7255558055. The cubic root of 222525 is about 60.5981831302.

Adding to 222525 its reverse (525222), we get a palindrome (747747).

It can be divided in two parts, 222 and 525, that added together give a palindrome (747).

The spelling of 222525 in words is "two hundred twenty-two thousand, five hundred twenty-five".