1340223244 has 24 divisors (see below), whose sum is σ = 2409115968. Its totient is φ = 652146000.

The previous prime is 1340223239. The next prime is 1340223323. The reversal of 1340223244 is 4423220431.

It is a happy 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, 7882 + ... + 52369.

It is an arithmetic number, because the mean of its divisors is an integer number (100379832).

Almost surely, 2^1340223244 is an apocalyptic number.

It is an amenable number.

1340223244 is a deficient number, since it is larger than the sum of its proper divisors (1068892724).

1340223244 is a wasteful number, since it uses less digits than its factorization.

1340223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60405 (or 60403 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1340223244 is about 36609.0595891236. The cubic root of 1340223244 is about 1102.5349920935.

Adding to 1340223244 its reverse (4423220431), we get a palindrome (5763443675).

The spelling of 1340223244 in words is "one billion, three hundred forty million, two hundred twenty-three thousand, two hundred forty-four".