1304140222 has 32 divisors (see below), whose sum is σ = 2444060160. Its totient is φ = 507034080.

The previous prime is 1304140199. The next prime is 1304140223. The reversal of 1304140222 is 2220414031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304140222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304140223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66304 + ... + 83692.

It is an arithmetic number, because the mean of its divisors is an integer number (76376880).

Almost surely, 2^1304140222 is an apocalyptic number.

1304140222 is a deficient number, since it is larger than the sum of its proper divisors (1139919938).

1304140222 is a wasteful number, since it uses less digits than its factorization.

1304140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1304140222 is about 36112.8816629191. The cubic root of 1304140222 is about 1092.5502728970.

Adding to 1304140222 its reverse (2220414031), we get a palindrome (3524554253).

The spelling of 1304140222 in words is "one billion, three hundred four million, one hundred forty thousand, two hundred twenty-two".