22020221001 has 8 divisors (see below), whose sum is σ = 30076399584. Its totient is φ = 14322094880.

The previous prime is 22020220997. The next prime is 22020221029. The reversal of 22020221001 is 10012202022.

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 22020221001 - 2² = 22020220997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22020221051) 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, 89512971 + ... + 89513216.

It is an arithmetic number, because the mean of its divisors is an integer number (3759549948).

Almost surely, 2^22020221001 is an apocalyptic number.

It is an amenable number.

22020221001 is a deficient number, since it is larger than the sum of its proper divisors (8056178583).

22020221001 is a wasteful number, since it uses less digits than its factorization.

22020221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179026231.

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

Adding to 22020221001 its reverse (10012202022), we get a palindrome (32032423023).

It can be divided in two parts, 2202022 and 1001, that multiplied together give a palindrome (2204224022).

The spelling of 22020221001 in words is "twenty-two billion, twenty million, two hundred twenty-one thousand, one".