222302120 has 16 divisors (see below), whose sum is σ = 500179860. Its totient is φ = 88920832.

The previous prime is 222302053. The next prime is 222302161. The reversal of 222302120 is 21203222.

It can be written as a sum of positive squares in 2 ways, for example, as 220997956 + 1304164 = 14866^2 + 1142^2 .

It is a super-3 number, since 3×222302120³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222302095 and 222302104.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2778737 + ... + 2778816.

Almost surely, 2^222302120 is an apocalyptic number.

222302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222302120 is an abundant number, since it is smaller than the sum of its proper divisors (277877740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222302120 is a wasteful number, since it uses less digits than its factorization.

222302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557564 (or 5557560 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222302120 is about 14909.7994620987. The cubic root of 222302120 is about 605.7794475279.

Adding to 222302120 its reverse (21203222), we get a palindrome (243505342).

The spelling of 222302120 in words is "two hundred twenty-two million, three hundred two thousand, one hundred twenty".