1302011222 has 16 divisors (see below), whose sum is σ = 2019001344. Its totient is φ = 629073000.

The previous prime is 1302011189. The next prime is 1302011257. The reversal of 1302011222 is 2221102031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1302011197 and 1302011206.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 27647 + ... + 58037.

It is an arithmetic number, because the mean of its divisors is an integer number (126187584).

Almost surely, 2^1302011222 is an apocalyptic number.

1302011222 is a deficient number, since it is larger than the sum of its proper divisors (716990122).

1302011222 is a wasteful number, since it uses less digits than its factorization.

1302011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31115.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1302011222 is about 36083.3926065718. The cubic root of 1302011222 is about 1091.9554221316.

Adding to 1302011222 its reverse (2221102031), we get a palindrome (3523113253).

It can be divided in two parts, 13020 and 11222, that added together give a palindrome (24242).

The spelling of 1302011222 in words is "one billion, three hundred two million, eleven thousand, two hundred twenty-two".