2202142340 has 12 divisors (see below), whose sum is σ = 4624498956. Its totient is φ = 880856928.

The previous prime is 2202142333. The next prime is 2202142363. The reversal of 2202142340 is 432412022.

It can be written as a sum of positive squares in 2 ways, for example, as 846577216 + 1355565124 = 29096^2 + 36818^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 110107117 = 2202142340 / (2 + 2 + 0 + 2 + 1 + 4 + 2 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55053539 + ... + 55053578.

It is an arithmetic number, because the mean of its divisors is an integer number (385374913).

Almost surely, 2^2202142340 is an apocalyptic number.

2202142340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202142340 is an abundant number, since it is smaller than the sum of its proper divisors (2422356616).

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

2202142340 is a wasteful number, since it uses less digits than its factorization.

2202142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110107126 (or 110107124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2202142340 is about 46926.9894623552. The cubic root of 2202142340 is about 1301.0134779335.

Adding to 2202142340 its reverse (432412022), we get a palindrome (2634554362).

The spelling of 2202142340 in words is "two billion, two hundred two million, one hundred forty-two thousand, three hundred forty".