303220033225 has 12 divisors (see below), whose sum is σ = 376714532700. Its totient is φ = 242110419200.

The previous prime is 303220033219. The next prime is 303220033301. The reversal of 303220033225 is 522330022303.

It can be written as a sum of positive squares in 6 ways, for example, as 97012315024 + 206207718201 = 311468^2 + 454101^2 .

It is not a de Polignac number, because 303220033225 - 2³¹ = 301072549577 is a prime.

It is a super-3 number, since 3×303220033225³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 303220033225.

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, 11626900 + ... + 11652949.

It is an arithmetic number, because the mean of its divisors is an integer number (31392877725).

Almost surely, 2^303220033225 is an apocalyptic number.

It is an amenable number.

303220033225 is a deficient number, since it is larger than the sum of its proper divisors (73494499475).

303220033225 is a wasteful number, since it uses less digits than its factorization.

303220033225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23280380 (or 23280375 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 303220033225 its reverse (522330022303), we get a palindrome (825550055528).

The spelling of 303220033225 in words is "three hundred three billion, two hundred twenty million, thirty-three thousand, two hundred twenty-five".