1304220055 has 8 divisors (see below), whose sum is σ = 1565569872. Its totient is φ = 1043038848.

The previous prime is 1304220053. The next prime is 1304220079. The reversal of 1304220055 is 5500224031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304220055 - 2¹ = 1304220053 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 (1304220053) 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, 24457 + ... + 56626.

It is an arithmetic number, because the mean of its divisors is an integer number (195696234).

Almost surely, 2^1304220055 is an apocalyptic number.

1304220055 is a deficient number, since it is larger than the sum of its proper divisors (261349817).

1304220055 is an equidigital number, since it uses as much as digits as its factorization.

1304220055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84305.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1304220055 is about 36113.9869718091. The cubic root of 1304220055 is about 1092.5725659462.

Adding to 1304220055 its reverse (5500224031), we get a palindrome (6804444086).

The spelling of 1304220055 in words is "one billion, three hundred four million, two hundred twenty thousand, fifty-five".