2003622 has 16 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 638792.

The previous prime is 2003621. The next prime is 2003627. The reversal of 2003622 is 2263002.

It is a super-2 number, since 2×2003622² = 8029002237768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7122 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (261360).

2^2003622 is an apocalyptic number.

2003622 is an abundant number, since it is smaller than the sum of its proper divisors (2178138).

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

2003622 is a wasteful number, since it uses less digits than its factorization.

2003622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2003622 is about 1415.4935535000. The cubic root of 2003622 is about 126.0681163565.

Adding to 2003622 its reverse (2263002), we get a palindrome (4266624).

The spelling of 2003622 in words is "two million, three thousand, six hundred twenty-two".