222230525 has 12 divisors (see below), whose sum is σ = 300617664. Its totient is φ = 161622000.

The previous prime is 222230513. The next prime is 222230527. The reversal of 222230525 is 525032222.

It is a happy number.

It is not a de Polignac number, because 222230525 - 2⁶ = 222230461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222230525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222230527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403781 + ... + 404330.

It is an arithmetic number, because the mean of its divisors is an integer number (25051472).

Almost surely, 2^222230525 is an apocalyptic number.

222230525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222230525 is a deficient number, since it is larger than the sum of its proper divisors (78387139).

222230525 is a wasteful number, since it uses less digits than its factorization.

222230525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808132 (or 808127 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 222230525 is about 14907.3983310301. The cubic root of 222230525 is about 605.7144077577.

Adding to 222230525 its reverse (525032222), we get a palindrome (747262747).

The spelling of 222230525 in words is "two hundred twenty-two million, two hundred thirty thousand, five hundred twenty-five".