2222201340 has 72 divisors (see below), whose sum is σ = 6789247920. Its totient is φ = 588317184.

The previous prime is 2222201329. The next prime is 2222201341. The reversal of 2222201340 is 431022222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222201341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19389 + ... + 69428.

It is an arithmetic number, because the mean of its divisors is an integer number (94295110).

Almost surely, 2^2222201340 is an apocalyptic number.

2222201340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222201340 is an abundant number, since it is smaller than the sum of its proper divisors (4567046580).

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

2222201340 is a wasteful number, since it uses less digits than its factorization.

2222201340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88971 (or 88966 counting only the distinct ones).

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

The square root of 2222201340 is about 47140.2305891687. The cubic root of 2222201340 is about 1304.9517928200.

Adding to 2222201340 its reverse (431022222), we get a palindrome (2653223562).

The spelling of 2222201340 in words is "two billion, two hundred twenty-two million, two hundred one thousand, three hundred forty".