1304251222 has 16 divisors (see below), whose sum is σ = 1999085760. Its totient is φ = 637904448.

The previous prime is 1304251217. The next prime is 1304251229. The reversal of 1304251222 is 2221524031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1304251193 and 1304251202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304251229) 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, 301378 + ... + 305674.

It is an arithmetic number, because the mean of its divisors is an integer number (124942860).

Almost surely, 2^1304251222 is an apocalyptic number.

1304251222 is a deficient number, since it is larger than the sum of its proper divisors (694834538).

1304251222 is a wasteful number, since it uses less digits than its factorization.

1304251222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1304251222 is about 36114.4184779431. The cubic root of 1304251222 is about 1092.5812689606.

Adding to 1304251222 its reverse (2221524031), we get a palindrome (3525775253).

The spelling of 1304251222 in words is "one billion, three hundred four million, two hundred fifty-one thousand, two hundred twenty-two".