2166223404532 has 24 divisors (see below), whose sum is σ = 4315322515392. Its totient is φ = 941836262400.

The previous prime is 2166223404517. The next prime is 2166223404589. The reversal of 2166223404532 is 2354043226612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070267469 + ... + 1070269492.

It is an arithmetic number, because the mean of its divisors is an integer number (179805104808).

Almost surely, 2^{2166223404532} is an apocalyptic number.

2166223404532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2166223404532 is a deficient number, since it is larger than the sum of its proper divisors (2149099110860).

2166223404532 is a wasteful number, since it uses less digits than its factorization.

2166223404532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140536999 (or 2140536997 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 2166223404532 in words is "two trillion, one hundred sixty-six billion, two hundred twenty-three million, four hundred four thousand, five hundred thirty-two".