1343221004 has 12 divisors (see below), whose sum is σ = 2352449904. Its totient is φ = 671092464.

The previous prime is 1343220997. The next prime is 1343221013. The reversal of 1343221004 is 4001223431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123647 + ... + 134070.

It is an arithmetic number, because the mean of its divisors is an integer number (196037492).

Almost surely, 2^1343221004 is an apocalyptic number.

It is an amenable number.

1343221004 is a deficient number, since it is larger than the sum of its proper divisors (1009228900).

1343221004 is a wasteful number, since it uses less digits than its factorization.

1343221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259024 (or 259022 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1343221004 is about 36649.9795907174. The cubic root of 1343221004 is about 1103.3564159629.

Adding to 1343221004 its reverse (4001223431), we get a palindrome (5344444435).

The spelling of 1343221004 in words is "one billion, three hundred forty-three million, two hundred twenty-one thousand, four".