22053544000 has 56 divisors (see below), whose sum is σ = 54615621528. Its totient is φ = 8821414400.

The previous prime is 22053543949. The next prime is 22053544001. The reversal of 22053544000 is 44535022.

It can be written as a sum of positive squares in 4 ways, for example, as 2435619904 + 19617924096 = 49352^2 + 140064^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (22053544001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370347 + ... + 1386346.

Almost surely, 2^22053544000 is an apocalyptic number.

22053544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22053544000 is an abundant number, since it is smaller than the sum of its proper divisors (32562077528).

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

22053544000 is an equidigital number, since it uses as much as digits as its factorization.

22053544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756720 (or 2756700 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 22053544000 in words is "twenty-two billion, fifty-three million, five hundred forty-four thousand".