1300222505 has 8 divisors (see below), whose sum is σ = 1562575752. Its totient is φ = 1038638848.

The previous prime is 1300222493. The next prime is 1300222507. The reversal of 1300222505 is 5052220031.

It can be written as a sum of positive squares in 4 ways, for example, as 145853929 + 1154368576 = 12077^2 + 33976^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300222505 - 2²⁶ = 1233113641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1300222507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188672 + ... + 195441.

It is an arithmetic number, because the mean of its divisors is an integer number (195321969).

Almost surely, 2^1300222505 is an apocalyptic number.

It is an amenable number.

1300222505 is a deficient number, since it is larger than the sum of its proper divisors (262353247).

1300222505 is an equidigital number, since it uses as much as digits as its factorization.

1300222505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384795.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1300222505 is about 36058.5982117996. The cubic root of 1300222505 is about 1091.4551462714.

Adding to 1300222505 its reverse (5052220031), we get a palindrome (6352442536).

The spelling of 1300222505 in words is "one billion, three hundred million, two hundred twenty-two thousand, five hundred five".