1304214220 has 24 divisors (see below), whose sum is σ = 2749042800. Its totient is φ = 519744192.

The previous prime is 1304214217. The next prime is 1304214251. The reversal of 1304214220 is 224124031.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115830 + ... + 126589.

It is an arithmetic number, because the mean of its divisors is an integer number (114543450).

Almost surely, 2^1304214220 is an apocalyptic number.

1304214220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304214220 is an abundant number, since it is smaller than the sum of its proper divisors (1444828580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304214220 is a wasteful number, since it uses less digits than its factorization.

1304214220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242697 (or 242695 counting only the distinct ones).

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

The square root of 1304214220 is about 36113.9061858448. The cubic root of 1304214220 is about 1092.5709365764.

Adding to 1304214220 its reverse (224124031), we get a palindrome (1528338251).

The spelling of 1304214220 in words is "one billion, three hundred four million, two hundred fourteen thousand, two hundred twenty".