2122140234 has 16 divisors (see below), whose sum is σ = 4262499072. Its totient is φ = 704343648.

The previous prime is 2122140233. The next prime is 2122140239. The reversal of 2122140234 is 4320412212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122140234.

It is not an unprimeable number, because it can be changed into a prime (2122140233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757594 + ... + 760389.

It is an arithmetic number, because the mean of its divisors is an integer number (266406192).

Almost surely, 2^2122140234 is an apocalyptic number.

2122140234 is an abundant number, since it is smaller than the sum of its proper divisors (2140358838).

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

2122140234 is a wasteful number, since it uses less digits than its factorization.

2122140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518221.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2122140234 is about 46066.6933260897. The cubic root of 2122140234 is about 1285.0638098590.

Adding to 2122140234 its reverse (4320412212), we get a palindrome (6442552446).

The spelling of 2122140234 in words is "two billion, one hundred twenty-two million, one hundred forty thousand, two hundred thirty-four".