222345525 has 24 divisors (see below), whose sum is σ = 368038944. Its totient is φ = 118446400.

The previous prime is 222345511. The next prime is 222345527. The reversal of 222345525 is 525543222.

It is not a de Polignac number, because 222345525 - 2⁴ = 222345509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222345492 and 222345501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222345527) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 121870 + ... + 123680.

It is an arithmetic number, because the mean of its divisors is an integer number (15334956).

Almost surely, 2^222345525 is an apocalyptic number.

222345525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222345525 is a deficient number, since it is larger than the sum of its proper divisors (145693419).

222345525 is a wasteful number, since it uses less digits than its factorization.

222345525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461 (or 3456 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 222345525 is about 14911.2549773653. The cubic root of 222345525 is about 605.8188715720.

Adding to 222345525 its reverse (525543222), we get a palindrome (747888747).

The spelling of 222345525 in words is "two hundred twenty-two million, three hundred forty-five thousand, five hundred twenty-five".