22201817556122 has 8 divisors (see below), whose sum is σ = 33362515790676. Its totient is φ = 11080978959232.

The previous prime is 22201817556097. The next prime is 22201817556161. The reversal of 22201817556122 is 22165571810222.

It can be written as a sum of positive squares in 2 ways, for example, as 20993156985241 + 1208660570881 = 4581829^2 + 1099391^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9964908023 + ... + 9964910250.

Almost surely, 2^{22201817556122} is an apocalyptic number.

22201817556122 is a deficient number, since it is larger than the sum of its proper divisors (11160698234554).

22201817556122 is a wasteful number, since it uses less digits than its factorization.

22201817556122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19929818832.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 22201817556122 in words is "twenty-two trillion, two hundred one billion, eight hundred seventeen million, five hundred fifty-six thousand, one hundred twenty-two".