1340780222 has 4 divisors (see below), whose sum is σ = 2011170336. Its totient is φ = 670390110.

The previous prime is 1340780213. The next prime is 1340780261. The reversal of 1340780222 is 2220870431.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335195054 + ... + 335195057.

It is an arithmetic number, because the mean of its divisors is an integer number (502792584).

Almost surely, 2^1340780222 is an apocalyptic number.

1340780222 is a deficient number, since it is larger than the sum of its proper divisors (670390114).

1340780222 is an equidigital number, since it uses as much as digits as its factorization.

1340780222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670390113.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1340780222 is about 36616.6659050220. The cubic root of 1340780222 is about 1102.6877036383.

The spelling of 1340780222 in words is "one billion, three hundred forty million, seven hundred eighty thousand, two hundred twenty-two".