1344221404 has 24 divisors (see below), whose sum is σ = 2405985120. Its totient is φ = 656894784.

The previous prime is 1344221383. The next prime is 1344221413. The reversal of 1344221404 is 4041224431.

It is a congruent number.

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, 43702 + ... + 67810.

It is an arithmetic number, because the mean of its divisors is an integer number (100249380).

Almost surely, 2^1344221404 is an apocalyptic number.

It is an amenable number.

1344221404 is a deficient number, since it is larger than the sum of its proper divisors (1061763716).

1344221404 is a wasteful number, since it uses less digits than its factorization.

1344221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24429 (or 24427 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1344221404 is about 36663.6250799072. The cubic root of 1344221404 is about 1103.6302661188.

Adding to 1344221404 its reverse (4041224431), we get a palindrome (5385445835).

The spelling of 1344221404 in words is "one billion, three hundred forty-four million, two hundred twenty-one thousand, four hundred four".