2202140340 has 144 divisors (see below), whose sum is σ = 6885103680. Its totient is φ = 569372160.

The previous prime is 2202140293. The next prime is 2202140351. The reversal of 2202140340 is 430412022.

2202140340 is a `hidden beast` number, since 220 + 2 + 1 + 403 + 40 = 666.

2202140340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 1320187 + ... + 1321853.

It is an arithmetic number, because the mean of its divisors is an integer number (47813220).

Almost surely, 2^2202140340 is an apocalyptic number.

2202140340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202140340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3442551840).

2202140340 is an abundant number, since it is smaller than the sum of its proper divisors (4682963340).

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

2202140340 is a wasteful number, since it uses less digits than its factorization.

2202140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1897 counting only the distinct ones).

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

The square root of 2202140340 is about 46926.9681526518. The cubic root of 2202140340 is about 1301.0130840704.

Adding to 2202140340 its reverse (430412022), we get a palindrome (2632552362).

The spelling of 2202140340 in words is "two billion, two hundred two million, one hundred forty thousand, three hundred forty".