22021130343 has 16 divisors (see below), whose sum is σ = 29456582400. Its totient is φ = 14633277120.

The previous prime is 22021130303. The next prime is 22021130347. The reversal of 22021130343 is 34303112022.

It is not a de Polignac number, because 22021130343 - 2²¹ = 22019033191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021130347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1613478 + ... + 1627068.

It is an arithmetic number, because the mean of its divisors is an integer number (1841036400).

Almost surely, 2^22021130343 is an apocalyptic number.

22021130343 is a deficient number, since it is larger than the sum of its proper divisors (7435452057).

22021130343 is a wasteful number, since it uses less digits than its factorization.

22021130343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15302.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22021130343 its reverse (34303112022), we get a palindrome (56324242365).

The spelling of 22021130343 in words is "twenty-two billion, twenty-one million, one hundred thirty thousand, three hundred forty-three".