1340221022 has 16 divisors (see below), whose sum is σ = 2376747360. Its totient is φ = 554574048.

The previous prime is 1340221013. The next prime is 1340221081. The reversal of 1340221022 is 2201220431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650113 + ... + 1650924.

It is an arithmetic number, because the mean of its divisors is an integer number (148546710).

Almost surely, 2^1340221022 is an apocalyptic number.

1340221022 is a deficient number, since it is larger than the sum of its proper divisors (1036526338).

1340221022 is a wasteful number, since it uses less digits than its factorization.

1340221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301075.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1340221022 is about 36609.0292414317. The cubic root of 1340221022 is about 1102.5343827836.

Adding to 1340221022 its reverse (2201220431), we get a palindrome (3541441453).

The spelling of 1340221022 in words is "one billion, three hundred forty million, two hundred twenty-one thousand, twenty-two".