22320421010 has 32 divisors (see below), whose sum is σ = 41572148400. Its totient is φ = 8618229760.

The previous prime is 22320421009. The next prime is 22320421043. The reversal of 22320421010 is 1012402322.

It can be written as a sum of positive squares in 8 ways, for example, as 9821404609 + 12499016401 = 99103^2 + 111799^2 .

It is a super-3 number, since 3×22320421010³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22320421010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829330 + ... + 1841490.

Almost surely, 2^22320421010 is an apocalyptic number.

22320421010 is a deficient number, since it is larger than the sum of its proper divisors (19251727390).

22320421010 is a wasteful number, since it uses less digits than its factorization.

22320421010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18526.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22320421010 its reverse (1012402322), we get a palindrome (23332823332).

The spelling of 22320421010 in words is "twenty-two billion, three hundred twenty million, four hundred twenty-one thousand, ten".