1302224225 has 24 divisors (see below), whose sum is σ = 1713124728. Its totient is φ = 978560000.

The previous prime is 1302224221. The next prime is 1302224227. The reversal of 1302224225 is 5224222031.

It can be written as a sum of positive squares in 12 ways, for example, as 116661601 + 1185562624 = 10801^2 + 34432^2 .

It is not a de Polignac number, because 1302224225 - 2² = 1302224221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302224225.

It is not an unprimeable number, because it can be changed into a prime (1302224221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 233975 + ... + 239475.

It is an arithmetic number, because the mean of its divisors is an integer number (71380197).

Almost surely, 2^1302224225 is an apocalyptic number.

It is an amenable number.

1302224225 is a deficient number, since it is larger than the sum of its proper divisors (410900503).

1302224225 is a wasteful number, since it uses less digits than its factorization.

1302224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085 (or 6080 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1302224225 is about 36086.3440237439. The cubic root of 1302224225 is about 1092.0149651663.

Adding to 1302224225 its reverse (5224222031), we get a palindrome (6526446256).

The spelling of 1302224225 in words is "one billion, three hundred two million, two hundred twenty-four thousand, two hundred twenty-five".