22054012000 has 96 divisors (see below), whose sum is σ = 55447295904. Its totient is φ = 8616384000.

The previous prime is 22054011989. The next prime is 22054012003. The reversal of 22054012000 is 21045022.

It is a super-2 number, since 2×22054012000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107890 + ... + 236110.

It is an arithmetic number, because the mean of its divisors is an integer number (577575999).

Almost surely, 2^22054012000 is an apocalyptic number.

22054012000 is a gapful number since it is divisible by the number (20) 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 22054012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27723647952).

22054012000 is an abundant number, since it is smaller than the sum of its proper divisors (33393283904).

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

22054012000 is a wasteful number, since it uses less digits than its factorization.

22054012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128289 (or 128271 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 22054012000 its reverse (21045022), we get a palindrome (22075057022).

The spelling of 22054012000 in words is "twenty-two billion, fifty-four million, twelve thousand".