22000386705 has 16 divisors (see below), whose sum is σ = 38400675264. Its totient is φ = 10666854080.

The previous prime is 22000386701. The next prime is 22000386757. The reversal of 22000386705 is 50768300022.

It is not a de Polignac number, because 22000386705 - 2² = 22000386701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22000386701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66667674 + ... + 66668003.

It is an arithmetic number, because the mean of its divisors is an integer number (2400042204).

Almost surely, 2^22000386705 is an apocalyptic number.

It is an amenable number.

22000386705 is a deficient number, since it is larger than the sum of its proper divisors (16400288559).

22000386705 is a wasteful number, since it uses less digits than its factorization.

22000386705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133335696.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 22000386705 its reverse (50768300022), we get a palindrome (72768686727).

The spelling of 22000386705 in words is "twenty-two billion, three hundred eighty-six thousand, seven hundred five".