22040644226 has 8 divisors (see below), whose sum is σ = 33062599440. Its totient is φ = 11019777748.

The previous prime is 22040644207. The next prime is 22040644229. The reversal of 22040644226 is 62244604022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22040644192 and 22040644201.

It is not an unprimeable number, because it can be changed into a prime (22040644229) 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, 219536 + ... + 303771.

It is an arithmetic number, because the mean of its divisors is an integer number (4132824930).

Almost surely, 2^22040644226 is an apocalyptic number.

22040644226 is a deficient number, since it is larger than the sum of its proper divisors (11021955214).

22040644226 is a wasteful number, since it uses less digits than its factorization.

22040644226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544368.

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 22040644226 in words is "twenty-two billion, forty million, six hundred forty-four thousand, two hundred twenty-six".