22013032021 has 8 divisors (see below), whose sum is σ = 22187438784. Its totient is φ = 21839132640.

The previous prime is 22013032003. The next prime is 22013032033. The reversal of 22013032021 is 12023031022.

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 22013032021 - 2¹⁹ = 22012507733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22013031986 and 22013032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013032051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39495 + ... + 213508.

It is an arithmetic number, because the mean of its divisors is an integer number (2773429848).

Almost surely, 2^22013032021 is an apocalyptic number.

It is an amenable number.

22013032021 is a deficient number, since it is larger than the sum of its proper divisors (174406763).

22013032021 is a wasteful number, since it uses less digits than its factorization.

22013032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253691.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22013032021 its reverse (12023031022), we get a palindrome (34036063043).

Subtracting from 22013032021 its reverse (12023031022), we obtain a palindrome (9990000999).

The spelling of 22013032021 in words is "twenty-two billion, thirteen million, thirty-two thousand, twenty-one".