22466643012 has 144 divisors (see below), whose sum is σ = 67860374400. Its totient is φ = 6186593280.

The previous prime is 22466642963. The next prime is 22466643091. The reversal of 22466643012 is 21034666422.

It is a super-3 number, since 3×22466643012³ (a number of 32 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137689 + ... + 252767.

It is an arithmetic number, because the mean of its divisors is an integer number (471252600).

Almost surely, 2^22466643012 is an apocalyptic number.

22466643012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22466643012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33930187200).

22466643012 is an abundant number, since it is smaller than the sum of its proper divisors (45393731388).

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

22466643012 is a wasteful number, since it uses less digits than its factorization.

22466643012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115146 (or 115141 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 22466643012 in words is "twenty-two billion, four hundred sixty-six million, six hundred forty-three thousand, twelve".