1000332225 has 18 divisors (see below), whose sum is σ = 1791706566. Its totient is φ = 533510400.

The previous prime is 1000332127. The next prime is 1000332233. The reversal of 1000332225 is 5222330001.

It can be written as a sum of positive squares in 3 ways, for example, as 318096 + 1000014129 = 564^2 + 31623^2 .

It is not a de Polignac number, because 1000332225 - 2¹³ = 1000324033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000332198 and 1000332207.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2222736 + ... + 2223185.

Almost surely, 2^1000332225 is an apocalyptic number.

1000332225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000332225 is a deficient number, since it is larger than the sum of its proper divisors (791374341).

1000332225 is a wasteful number, since it uses less digits than its factorization.

1000332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445937 (or 4445929 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1000332225 is about 31628.0291039451. The cubic root of 1000332225 is about 1000.1107294052.

Adding to 1000332225 its reverse (5222330001), we get a palindrome (6222662226).

The spelling of 1000332225 in words is "one billion, three hundred thirty-two thousand, two hundred twenty-five".