22000206744 has 64 divisors (see below), whose sum is σ = 63768729600. Its totient is φ = 7014557088.

The previous prime is 22000206743. The next prime is 22000206749. The reversal of 22000206744 is 44760200022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000206743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209224 + ... + 2219159.

It is an arithmetic number, because the mean of its divisors is an integer number (996386400).

Almost surely, 2^22000206744 is an apocalyptic number.

22000206744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22000206744 is an abundant number, since it is smaller than the sum of its proper divisors (41768522856).

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

22000206744 is a wasteful number, since it uses less digits than its factorization.

22000206744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428421 (or 4428411 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 22000206744 its reverse (44760200022), we get a palindrome (66760406766).

The spelling of 22000206744 in words is "twenty-two billion, two hundred six thousand, seven hundred forty-four".