1340022204 has 60 divisors (see below), whose sum is σ = 3535913304. Its totient is φ = 442488096.

The previous prime is 1340022179. The next prime is 1340022221. The reversal of 1340022204 is 4022200431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15342 + ... + 53994.

Almost surely, 2^1340022204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340022204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767956652).

1340022204 is an abundant number, since it is smaller than the sum of its proper divisors (2195891100).

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

1340022204 is a wasteful number, since it uses less digits than its factorization.

1340022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38776 (or 38765 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1340022204 is about 36606.3137177181. The cubic root of 1340022204 is about 1102.4798608011.

Adding to 1340022204 its reverse (4022200431), we get a palindrome (5362222635).

The spelling of 1340022204 in words is "one billion, three hundred forty million, twenty-two thousand, two hundred four".