22155233555040 has 96 divisors (see below), whose sum is σ = 69791058279936. Its totient is φ = 5907886824960.

The previous prime is 22155233555023. The next prime is 22155233555053. The reversal of 22155233555040 is 4055533255122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 22155233554983 and 22155233555001.

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, 15912535 + ... + 17248745.

It is an arithmetic number, because the mean of its divisors is an integer number (726990190416).

Almost surely, 2^{22155233555040} is an apocalyptic number.

22155233555040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22155233555040 is an abundant number, since it is smaller than the sum of its proper divisors (47635824724896).

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

22155233555040 is a wasteful number, since it uses less digits than its factorization.

22155233555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370772 (or 1370764 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 22155233555040 in words is "twenty-two trillion, one hundred fifty-five billion, two hundred thirty-three million, five hundred fifty-five thousand, forty".