22407879889 has 2 divisors, whose sum is σ = 22407879890. Its totient is φ = 22407879888.

The previous prime is 22407879883. The next prime is 22407879943. The reversal of 22407879889 is 98897870422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19090119889 + 3317760000 = 138167^2 + 57600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22407879889 is a prime.

It is a super-2 number, since 2×22407879889² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22407879889.

It is not a weakly prime, because it can be changed into another prime (22407879883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203939944 + 11203939945.

It is an arithmetic number, because the mean of its divisors is an integer number (11203939945).

Almost surely, 2^22407879889 is an apocalyptic number.

It is an amenable number.

22407879889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22407879889 is an equidigital number, since it uses as much as digits as its factorization.

22407879889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 22407879889 in words is "twenty-two billion, four hundred seven million, eight hundred seventy-nine thousand, eight hundred eighty-nine".