2190334550 has 12 divisors (see below), whose sum is σ = 4074022356. Its totient is φ = 876133800.

The previous prime is 2190334529. The next prime is 2190334567. The reversal of 2190334550 is 554330912.

It is a Curzon number.

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, 21903296 + ... + 21903395.

It is an arithmetic number, because the mean of its divisors is an integer number (339501863).

Almost surely, 2^2190334550 is an apocalyptic number.

2190334550 is a deficient number, since it is larger than the sum of its proper divisors (1883687806).

2190334550 is a wasteful number, since it uses less digits than its factorization.

2190334550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43806703 (or 43806698 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2190334550 is about 46801.0101386712. The cubic root of 2190334550 is about 1298.6839838017.

The spelling of 2190334550 in words is "two billion, one hundred ninety million, three hundred thirty-four thousand, five hundred fifty".