22031021001 has 8 divisors (see below), whose sum is σ = 32045121504. Its totient is φ = 13352133920.

The previous prime is 22031020981. The next prime is 22031021009. The reversal of 22031021001 is 10012013022.

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 22031021001 - 2⁶ = 22031020937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031021009) 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, 333803316 + ... + 333803381.

It is an arithmetic number, because the mean of its divisors is an integer number (4005640188).

Almost surely, 2^22031021001 is an apocalyptic number.

It is an amenable number.

22031021001 is a deficient number, since it is larger than the sum of its proper divisors (10014100503).

22031021001 is a wasteful number, since it uses less digits than its factorization.

22031021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667606711.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22031021001 its reverse (10012013022), we get a palindrome (32043034023).

The spelling of 22031021001 in words is "twenty-two billion, thirty-one million, twenty-one thousand, one".