22010140340 has 12 divisors (see below), whose sum is σ = 46221294756. Its totient is φ = 8804056128.

The previous prime is 22010140333. The next prime is 22010140343. The reversal of 22010140340 is 4304101022.

It can be written as a sum of positive squares in 2 ways, for example, as 3414999844 + 18595140496 = 58438^2 + 136364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010140343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550253489 + ... + 550253528.

It is an arithmetic number, because the mean of its divisors is an integer number (3851774563).

Almost surely, 2^22010140340 is an apocalyptic number.

22010140340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010140340 is an abundant number, since it is smaller than the sum of its proper divisors (24211154416).

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

22010140340 is a wasteful number, since it uses less digits than its factorization.

22010140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100507026 (or 1100507024 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22010140340 its reverse (4304101022), we get a palindrome (26314241362).

The spelling of 22010140340 in words is "twenty-two billion, ten million, one hundred forty thousand, three hundred forty".