2003220522 has 24 divisors (see below), whose sum is σ = 4347855876. Its totient is φ = 666579456.

The previous prime is 2003220503. The next prime is 2003220547. The reversal of 2003220522 is 2250223002.

It can be written as a sum of positive squares in 2 ways, for example, as 1494672921 + 508547601 = 38661^2 + 22551^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2003220495 and 2003220504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86053 + ... + 106824.

Almost surely, 2^2003220522 is an apocalyptic number.

2003220522 is an abundant number, since it is smaller than the sum of its proper divisors (2344635354).

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

2003220522 is a wasteful number, since it uses less digits than its factorization.

2003220522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193462 (or 193459 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2003220522 is about 44757.3515972516. The cubic root of 2003220522 is about 1260.5969544736.

Adding to 2003220522 its reverse (2250223002), we get a palindrome (4253443524).

The spelling of 2003220522 in words is "two billion, three million, two hundred twenty thousand, five hundred twenty-two".