2220452 has 12 divisors (see below), whose sum is σ = 4184796. Its totient is φ = 1024800.

The previous prime is 2220431. The next prime is 2220457. The reversal of 2220452 is 2540222.

It can be written as a sum of positive squares in 2 ways, for example, as 1267876 + 952576 = 1126^2 + 976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2220452.

It is not an unprimeable number, because it can be changed into a prime (2220457) 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, 21299 + ... + 21402.

It is an arithmetic number, because the mean of its divisors is an integer number (348733).

2^2220452 is an apocalyptic number.

It is an amenable number.

2220452 is a deficient number, since it is larger than the sum of its proper divisors (1964344).

2220452 is a wasteful number, since it uses less digits than its factorization.

2220452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42718 (or 42716 counting only the distinct ones).

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

The square root of 2220452 is about 1490.1181161237. The cubic root of 2220452 is about 130.4609279054.

Adding to 2220452 its reverse (2540222), we get a palindrome (4760674).

It can be divided in two parts, 22 and 20452, that multiplied together give a palindrome (449944).

The spelling of 2220452 in words is "two million, two hundred twenty thousand, four hundred fifty-two".