22220000222001 has 8 divisors (see below), whose sum is σ = 29822870055744. Its totient is φ = 14715231934800.

The previous prime is 22220000221973. The next prime is 22220000222009. The reversal of 22220000222001 is 10022200002222.

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

It is not a de Polignac number, because 22220000222001 - 2⁷ = 22220000221873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22220000222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24525386106 + ... + 24525387011.

It is an arithmetic number, because the mean of its divisors is an integer number (3727858756968).

Almost surely, 2^{22220000222001} is an apocalyptic number.

It is an amenable number.

22220000222001 is a deficient number, since it is larger than the sum of its proper divisors (7602869833743).

22220000222001 is a wasteful number, since it uses less digits than its factorization.

22220000222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49050773271.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22220000222001 its reverse (10022200002222), we get a palindrome (32242200224223).

The spelling of 22220000222001 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-two thousand, one".