22036559888 has 30 divisors (see below), whose sum is σ = 49666585086. Its totient is φ = 9444239616.

The previous prime is 22036559887. The next prime is 22036559903. The reversal of 22036559888 is 88895563022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21724401664 + 312158224 = 147392^2 + 17668^2 .

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (22036559887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14053145 + ... + 14054712.

Almost surely, 2^22036559888 is an apocalyptic number.

22036559888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22036559888 is an abundant number, since it is smaller than the sum of its proper divisors (27630025198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22036559888 is a wasteful number, since it uses less digits than its factorization.

22036559888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28107879 (or 28107866 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 22036559888 in words is "twenty-two billion, thirty-six million, five hundred fifty-nine thousand, eight hundred eighty-eight".