1340321224 has 16 divisors (see below), whose sum is σ = 2741566320. Its totient is φ = 609236880.

The previous prime is 1340321197. The next prime is 1340321233. The reversal of 1340321224 is 4221230431.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1340321195 and 1340321204.

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, 7615374 + ... + 7615549.

It is an arithmetic number, because the mean of its divisors is an integer number (171347895).

Almost surely, 2^1340321224 is an apocalyptic number.

It is an amenable number.

1340321224 is an abundant number, since it is smaller than the sum of its proper divisors (1401245096).

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

1340321224 is a wasteful number, since it uses less digits than its factorization.

1340321224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230940 (or 15230936 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1340321224 is about 36610.3977580140. The cubic root of 1340321224 is about 1102.5618591961.

Adding to 1340321224 its reverse (4221230431), we get a palindrome (5561551655).

The spelling of 1340321224 in words is "one billion, three hundred forty million, three hundred twenty-one thousand, two hundred twenty-four".