2220552 has 24 divisors (see below), whose sum is σ = 6014190. Its totient is φ = 740160.

The previous prime is 2220551. The next prime is 2220553. The reversal of 2220552 is 2550222.

It is an interprime number because it is at equal distance from previous prime (2220551) and next prime (2220553).

It can be written as a sum of positive squares in only one way, i.e., 1602756 + 617796 = 1266^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2220551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15349 + ... + 15492.

2^2220552 is an apocalyptic number.

It is an amenable number.

2220552 is an abundant number, since it is smaller than the sum of its proper divisors (3793638).

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

2220552 is a wasteful number, since it uses less digits than its factorization.

2220552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30853 (or 30846 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2220552 is about 1490.1516701329. The cubic root of 2220552 is about 130.4628863501.

Adding to 2220552 its reverse (2550222), we get a palindrome (4770774).

It can be divided in two parts, 2220 and 552, that added together give a palindrome (2772).

The spelling of 2220552 in words is "two million, two hundred twenty thousand, five hundred fifty-two".