22066223552 has 42 divisors (see below), whose sum is σ = 45774318408. Its totient is φ = 10553395072.

The previous prime is 22066223549. The next prime is 22066223579. The reversal of 22066223552 is 25532266022.

It is a super-3 number, since 3×22066223552³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292028 + ... + 359739.

It is an arithmetic number, because the mean of its divisors is an integer number (1089864724).

Almost surely, 2^22066223552 is an apocalyptic number.

It is an amenable number.

22066223552 is an abundant number, since it is smaller than the sum of its proper divisors (23708094856).

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

22066223552 is an equidigital number, since it uses as much as digits as its factorization.

22066223552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651825 (or 651792 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 22066223552 its reverse (25532266022), we get a palindrome (47598489574).

The spelling of 22066223552 in words is "twenty-two billion, sixty-six million, two hundred twenty-three thousand, five hundred fifty-two".