21844203226 has 16 divisors (see below), whose sum is σ = 32864835744. Its totient is φ = 10889306064.

The previous prime is 21844203221. The next prime is 21844203257. The reversal of 21844203226 is 62230244812.

It is a junction number, because it is equal to n+sod(n) for n = 21844203191 and 21844203200.

It is not an unprimeable number, because it can be changed into a prime (21844203221) 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, 954696 + ... + 977308.

It is an arithmetic number, because the mean of its divisors is an integer number (2054052234).

Almost surely, 2^21844203226 is an apocalyptic number.

21844203226 is a deficient number, since it is larger than the sum of its proper divisors (11020632518).

21844203226 is a wasteful number, since it uses less digits than its factorization.

21844203226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24045.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 21844203226 in words is "twenty-one billion, eight hundred forty-four million, two hundred three thousand, two hundred twenty-six".