22001222209985 has 8 divisors (see below), whose sum is σ = 27549356506560. Its totient is φ = 16835717864944.

The previous prime is 22001222209943. The next prime is 22001222210029. The reversal of 22001222209985 is 58990222210022.

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

It is a cyclic number.

It is not a de Polignac number, because 22001222209985 - 2²⁸ = 22000953774529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95657487755 + ... + 95657487984.

It is an arithmetic number, because the mean of its divisors is an integer number (3443669563320).

Almost surely, 2^{22001222209985} is an apocalyptic number.

It is an amenable number.

22001222209985 is a deficient number, since it is larger than the sum of its proper divisors (5548134296575).

22001222209985 is a wasteful number, since it uses less digits than its factorization.

22001222209985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191314975767.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 22001222209985 in words is "twenty-two trillion, one billion, two hundred twenty-two million, two hundred nine thousand, nine hundred eighty-five".