22143003133440 has 160 divisors (see below), whose sum is σ = 80901043787520. Its totient is φ = 5061257846784.

The previous prime is 22143003133397. The next prime is 22143003133457. The reversal of 22143003133440 is 4433130034122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22143003133398 and 22143003133407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205889350 + ... + 205996869.

It is an arithmetic number, because the mean of its divisors is an integer number (505631523672).

Almost surely, 2^{22143003133440} is an apocalyptic number.

22143003133440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143003133440 is an abundant number, since it is smaller than the sum of its proper divisors (58758040654080).

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

22143003133440 is an equidigital number, since it uses as much as digits as its factorization.

22143003133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411886252 (or 411886236 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 22143003133440 its reverse (4433130034122), we get a palindrome (26576133167562).

The spelling of 22143003133440 in words is "twenty-two trillion, one hundred forty-three billion, three million, one hundred thirty-three thousand, four hundred forty".