222220252 has 12 divisors (see below), whose sum is σ = 389042136. Its totient is φ = 111065360.

The previous prime is 222220247. The next prime is 222220253. The reversal of 222220252 is 252022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602 + ... + 21142.

It is an arithmetic number, because the mean of its divisors is an integer number (32420178).

Almost surely, 2^222220252 is an apocalyptic number.

It is an amenable number.

222220252 is a deficient number, since it is larger than the sum of its proper divisors (166821884).

222220252 is a wasteful number, since it uses less digits than its factorization.

222220252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22388 (or 22386 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 222220252 is about 14907.0537665898. The cubic root of 222220252 is about 605.7050742064.

Adding to 222220252 its reverse (252022222), we get a palindrome (474242474).

It can be divided in two parts, 2222 and 20252, that multiplied together give a palindrome (44999944).

The spelling of 222220252 in words is "two hundred twenty-two million, two hundred twenty thousand, two hundred fifty-two".