22005522242 has 32 divisors (see below), whose sum is σ = 36465194304. Its totient is φ = 9875948800.

The previous prime is 22005522223. The next prime is 22005522271. The reversal of 22005522242 is 24222550022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4454798 + ... + 4459734.

It is an arithmetic number, because the mean of its divisors is an integer number (1139537322).

Almost surely, 2^22005522242 is an apocalyptic number.

22005522242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22005522242 is a deficient number, since it is larger than the sum of its proper divisors (14459672062).

22005522242 is a wasteful number, since it uses less digits than its factorization.

22005522242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474.

The product of its (nonzero) digits is 6400, while the sum is 26.

The spelling of 22005522242 in words is "twenty-two billion, five million, five hundred twenty-two thousand, two hundred forty-two".