22010431321 has 8 divisors (see below), whose sum is σ = 22428182664. Its totient is φ = 21592771200.

The previous prime is 22010431291. The next prime is 22010431337. The reversal of 22010431321 is 12313401022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10088193600 + 11922237721 = 100440^2 + 109189^2 .

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 22010431321 - 2¹⁹ = 22009907033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010431361) 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, 651375 + ... + 684331.

It is an arithmetic number, because the mean of its divisors is an integer number (2803522833).

Almost surely, 2^22010431321 is an apocalyptic number.

It is an amenable number.

22010431321 is a deficient number, since it is larger than the sum of its proper divisors (417751343).

22010431321 is a wasteful number, since it uses less digits than its factorization.

22010431321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45611.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22010431321 its reverse (12313401022), we get a palindrome (34323832343).

The spelling of 22010431321 in words is "twenty-two billion, ten million, four hundred thirty-one thousand, three hundred twenty-one".