22001022340 has 24 divisors (see below), whose sum is σ = 50402342592. Its totient is φ = 8000371680.

The previous prime is 22001022331. The next prime is 22001022349. The reversal of 22001022340 is 4322010022.

It is an interprime number because it is at equal distance from previous prime (22001022331) and next prime (22001022349).

It is not an unprimeable number, because it can be changed into a prime (22001022349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50002104 + ... + 50002543.

It is an arithmetic number, because the mean of its divisors is an integer number (2100097608).

Almost surely, 2^22001022340 is an apocalyptic number.

22001022340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001022340 is an abundant number, since it is smaller than the sum of its proper divisors (28401320252).

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

22001022340 is a wasteful number, since it uses less digits than its factorization.

22001022340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100004667 (or 100004665 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22001022340 its reverse (4322010022), we get a palindrome (26323032362).

The spelling of 22001022340 in words is "twenty-two billion, one million, twenty-two thousand, three hundred forty".