1304222141 has 4 divisors (see below), whose sum is σ = 1306036800. Its totient is φ = 1302407484.

The previous prime is 1304222137. The next prime is 1304222159. The reversal of 1304222141 is 1412224031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1412224031 = 677 ⋅2086003.

It is a cyclic number.

It is not a de Polignac number, because 1304222141 - 2² = 1304222137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304272141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906251 + ... + 907688.

It is an arithmetic number, because the mean of its divisors is an integer number (326509200).

Almost surely, 2^1304222141 is an apocalyptic number.

It is an amenable number.

1304222141 is a deficient number, since it is larger than the sum of its proper divisors (1814659).

1304222141 is an equidigital number, since it uses as much as digits as its factorization.

1304222141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814658.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1304222141 is about 36114.0158525745. The cubic root of 1304222141 is about 1092.5731484413.

Adding to 1304222141 its reverse (1412224031), we get a palindrome (2716446172).

The spelling of 1304222141 in words is "one billion, three hundred four million, two hundred twenty-two thousand, one hundred forty-one".