22327727820 has 48 divisors (see below), whose sum is σ = 62798023680. Its totient is φ = 5927357376.

The previous prime is 22327727813. The next prime is 22327727831. The reversal of 22327727820 is 2872772322.

It is a super-3 number, since 3×22327727820³ (a number of 32 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 820990 + ... + 847749.

It is an arithmetic number, because the mean of its divisors is an integer number (1308292160).

Almost surely, 2^22327727820 is an apocalyptic number.

22327727820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22327727820 is an abundant number, since it is smaller than the sum of its proper divisors (40470295860).

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

22327727820 is a wasteful number, since it uses less digits than its factorization.

22327727820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668974 (or 1668972 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 22327727820 in words is "twenty-two billion, three hundred twenty-seven million, seven hundred twenty-seven thousand, eight hundred twenty".