2164550 has 12 divisors (see below), whose sum is σ = 4026156. Its totient is φ = 865800.

The previous prime is 2164529. The next prime is 2164571. The reversal of 2164550 is 554612.

It is an interprime number because it is at equal distance from previous prime (2164529) and next prime (2164571).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21596 + ... + 21695.

It is an arithmetic number, because the mean of its divisors is an integer number (335513).

2^2164550 is an apocalyptic number.

2164550 is a deficient number, since it is larger than the sum of its proper divisors (1861606).

2164550 is a wasteful number, since it uses less digits than its factorization.

2164550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43303 (or 43298 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2164550 is about 1471.2409727845. The cubic root of 2164550 is about 129.3567832800.

The spelling of 2164550 in words is "two million, one hundred sixty-four thousand, five hundred fifty".