1155302225 has 48 divisors (see below), whose sum is σ = 1791968640. Its totient is φ = 717811200.

The previous prime is 1155302221. The next prime is 1155302233. The reversal of 1155302225 is 5222035511.

It is not a de Polignac number, because 1155302225 - 2² = 1155302221 is a prime.

It is a super-4 number, since 4×1155302225⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155302194 and 1155302203.

It is not an unprimeable number, because it can be changed into a prime (1155302221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717221 + ... + 718829.

It is an arithmetic number, because the mean of its divisors is an integer number (37332680).

Almost surely, 2^1155302225 is an apocalyptic number.

It is an amenable number.

1155302225 is a deficient number, since it is larger than the sum of its proper divisors (636666415).

1155302225 is a wasteful number, since it uses less digits than its factorization.

1155302225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1155302225 is about 33989.7370539991. The cubic root of 1155302225 is about 1049.2972546383.

Adding to 1155302225 its reverse (5222035511), we get a palindrome (6377337736).

The spelling of 1155302225 in words is "one billion, one hundred fifty-five million, three hundred two thousand, two hundred twenty-five".