225002222 has 8 divisors (see below), whose sum is σ = 337609272. Its totient is φ = 112465800.

The previous prime is 225002201. The next prime is 225002227. The reversal of 225002222 is 222200522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 225002222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225002227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8804 + ... + 22967.

It is an arithmetic number, because the mean of its divisors is an integer number (42201159).

Almost surely, 2^225002222 is an apocalyptic number.

225002222 is a deficient number, since it is larger than the sum of its proper divisors (112607050).

225002222 is a wasteful number, since it uses less digits than its factorization.

225002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35314.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 225002222 is about 15000.0740664838. The cubic root of 225002222 is about 608.2222017215. Note that the first 4 decimals are identical.

Adding to 225002222 its reverse (222200522), we get a palindrome (447202744).

It can be divided in two parts, 22500 and 2222, that multiplied together give a triangular number (49995000 = T₉₉₉₉).

The spelling of 225002222 in words is "two hundred twenty-five million, two thousand, two hundred twenty-two".