22220012001 has 8 divisors (see below), whose sum is σ = 32320017504. Its totient is φ = 13466673920.

The previous prime is 22220011991. The next prime is 22220012021. The reversal of 22220012001 is 10021002222.

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 22220012001 - 2⁶ = 22220011937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22220012021) 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, 336666816 + ... + 336666881.

It is an arithmetic number, because the mean of its divisors is an integer number (4040002188).

Almost surely, 2^22220012001 is an apocalyptic number.

It is an amenable number.

22220012001 is a deficient number, since it is larger than the sum of its proper divisors (10100005503).

22220012001 is a wasteful number, since it uses less digits than its factorization.

22220012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673333711.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22220012001 its reverse (10021002222), we get a palindrome (32241014223).

The spelling of 22220012001 in words is "twenty-two billion, two hundred twenty million, twelve thousand, one".