1005522003 has 6 divisors (see below), whose sum is σ = 1452420684. Its totient is φ = 670347996.

The previous prime is 1005521927. The next prime is 1005522029. The reversal of 1005522003 is 3002255001.

It is a happy number.

It is not a de Polignac number, because 1005522003 - 2¹⁰ = 1005520979 is a prime.

It is a super-2 number, since 2×1005522003² = 2022148997034264018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005522053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55862325 + ... + 55862342.

It is an arithmetic number, because the mean of its divisors is an integer number (242070114).

Almost surely, 2^1005522003 is an apocalyptic number.

1005522003 is a deficient number, since it is larger than the sum of its proper divisors (446898681).

1005522003 is a wasteful number, since it uses less digits than its factorization.

1005522003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111724673 (or 111724670 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1005522003 is about 31709.9669347037. The cubic root of 1005522003 is about 1001.8372899649.

Adding to 1005522003 its reverse (3002255001), we get a palindrome (4007777004).

The spelling of 1005522003 in words is "one billion, five million, five hundred twenty-two thousand, three".