22021302001 has 4 divisors (see below), whose sum is σ = 22022700912. Its totient is φ = 22019903092.

The previous prime is 22021301957. The next prime is 22021302049. The reversal of 22021302001 is 10020312022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22021302001 - 2²¹ = 22019204849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021302071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675571 + ... + 707416.

It is an arithmetic number, because the mean of its divisors is an integer number (5505675228).

Almost surely, 2^22021302001 is an apocalyptic number.

It is an amenable number.

22021302001 is a deficient number, since it is larger than the sum of its proper divisors (1398911).

22021302001 is a wasteful number, since it uses less digits than its factorization.

22021302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398910.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22021302001 its reverse (10020312022), we get a palindrome (32041614023).

The spelling of 22021302001 in words is "twenty-two billion, twenty-one million, three hundred two thousand, one".