22000222340 has 12 divisors (see below), whose sum is σ = 46200466956. Its totient is φ = 8800088928.

The previous prime is 22000222337. The next prime is 22000222367. The reversal of 22000222340 is 4322200022.

It can be written as a sum of positive squares in 2 ways, for example, as 8737014784 + 13263207556 = 93472^2 + 115166^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550005539 + ... + 550005578.

It is an arithmetic number, because the mean of its divisors is an integer number (3850038913).

Almost surely, 2^22000222340 is an apocalyptic number.

22000222340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000222340 is an abundant number, since it is smaller than the sum of its proper divisors (24200244616).

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

22000222340 is a wasteful number, since it uses less digits than its factorization.

22000222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100011126 (or 1100011124 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22000222340 its reverse (4322200022), we get a palindrome (26322422362).

The spelling of 22000222340 in words is "twenty-two billion, two hundred twenty-two thousand, three hundred forty".