1300221022 has 4 divisors (see below), whose sum is σ = 1950331536. Its totient is φ = 650110510.

The previous prime is 1300221017. The next prime is 1300221029. The reversal of 1300221022 is 2201220031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201220031 = 29 ⋅75904139.

It is a junction number, because it is equal to n+sod(n) for n = 1300220993 and 1300221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300221029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325055254 + ... + 325055257.

It is an arithmetic number, because the mean of its divisors is an integer number (487582884).

Almost surely, 2^1300221022 is an apocalyptic number.

1300221022 is a deficient number, since it is larger than the sum of its proper divisors (650110514).

1300221022 is an equidigital number, since it uses as much as digits as its factorization.

1300221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650110513.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1300221022 is about 36058.5776480437. The cubic root of 1300221022 is about 1091.4547313094.

Adding to 1300221022 its reverse (2201220031), we get a palindrome (3501441053).

Subtracting 1300221022 from its reverse (2201220031), we obtain a palindrome (900999009).

It can be divided in two parts, 130022 and 1022, that added together give a square (131044 = 362²).

The spelling of 1300221022 in words is "one billion, three hundred million, two hundred twenty-one thousand, twenty-two".