1340304222 has 16 divisors (see below), whose sum is σ = 2710728720. Its totient is φ = 441748032.

The previous prime is 1340304209. The next prime is 1340304233. The reversal of 1340304222 is 2224030431.

It is a super-2 number, since 2×1340304222² = 3592830815022050568, which contains 22 as substring.

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, 1254433 + ... + 1255500.

It is an arithmetic number, because the mean of its divisors is an integer number (169420545).

Almost surely, 2^1340304222 is an apocalyptic number.

1340304222 is an abundant number, since it is smaller than the sum of its proper divisors (1370424498).

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

1340304222 is a wasteful number, since it uses less digits than its factorization.

1340304222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510027.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1340304222 is about 36610.1655554847. The cubic root of 1340304222 is about 1102.5571971704.

Adding to 1340304222 its reverse (2224030431), we get a palindrome (3564334653).

The spelling of 1340304222 in words is "one billion, three hundred forty million, three hundred four thousand, two hundred twenty-two".