22111690000 has 75 divisors (see below), whose sum is σ = 53570638627. Its totient is φ = 8838728000.

The previous prime is 22111689959. The next prime is 22111690031. The reversal of 22111690000 is 9611122.

The square root of 22111690000 is 148700.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1733556496 + 20378133504 = 41636^2 + 142752^2 .

It is a super-2 number, since 2×22111690000² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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 14 ways as a sum of consecutive naturals, for example, 14869257 + ... + 14870743.

Almost surely, 2^22111690000 is an apocalyptic number.

22111690000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

22111690000 is the 148700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22111690000

22111690000 is an abundant number, since it is smaller than the sum of its proper divisors (31458948627).

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

22111690000 is an frugal number, since it uses more digits than its factorization.

22111690000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 22111690000 in words is "twenty-two billion, one hundred eleven million, six hundred ninety thousand".