22003043550000 has 120 divisors (see below), whose sum is σ = 71046947985552. Its totient is φ = 5867478240000.

The previous prime is 22003043549983. The next prime is 22003043550029. The reversal of 22003043550000 is 5534030022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73193479 + ... + 73493478.

Almost surely, 2^{22003043550000} is an apocalyptic number.

22003043550000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22003043550000 is an abundant number, since it is smaller than the sum of its proper divisors (49043904435552).

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

22003043550000 is an equidigital number, since it uses as much as digits as its factorization.

22003043550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146686993 (or 146686967 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 22003043550000 its reverse (5534030022), we get a palindrome (22008577580022).

The spelling of 22003043550000 in words is "twenty-two trillion, three billion, forty-three million, five hundred fifty thousand".