22200001021 has 8 divisors (see below), whose sum is σ = 25642782144. Its totient is φ = 18994653120.

The previous prime is 22200001007. The next prime is 22200001069. The reversal of 22200001021 is 12010000222.

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 22200001021 - 2⁵ = 22200000989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22200000989 and 22200001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59358105 + ... + 59358478.

It is an arithmetic number, because the mean of its divisors is an integer number (3205347768).

Almost surely, 2^22200001021 is an apocalyptic number.

It is an amenable number.

22200001021 is a deficient number, since it is larger than the sum of its proper divisors (3442781123).

22200001021 is a wasteful number, since it uses less digits than its factorization.

22200001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118716611.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22200001021 its reverse (12010000222), we get a palindrome (34210001243).

The spelling of 22200001021 in words is "twenty-two billion, two hundred million, one thousand, twenty-one".