22027851504 has 50 divisors (see below), whose sum is σ = 63754996800. Its totient is φ = 7342616736.

The previous prime is 22027851499. The next prime is 22027851539. The reversal of 22027851504 is 40515872022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8497104 + ... + 8499695.

It is an arithmetic number, because the mean of its divisors is an integer number (1275099936).

Almost surely, 2^22027851504 is an apocalyptic number.

22027851504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22027851504 is an abundant number, since it is smaller than the sum of its proper divisors (41727145296).

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

22027851504 is a wasteful number, since it uses less digits than its factorization.

22027851504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16996819 (or 16996804 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 22027851504 in words is "twenty-two billion, twenty-seven million, eight hundred fifty-one thousand, five hundred four".