2165226330 has 16 divisors (see below), whose sum is σ = 5196543264. Its totient is φ = 577393680.

The previous prime is 2165226317. The next prime is 2165226379. The reversal of 2165226330 is 336225612.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 72174211 = 2165226330 / (2 + 1 + 6 + 5 + 2 + 2 + 6 + 3 + 3 + 0).

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, 36087076 + ... + 36087135.

It is an arithmetic number, because the mean of its divisors is an integer number (324783954).

Almost surely, 2^2165226330 is an apocalyptic number.

2165226330 is an abundant number, since it is smaller than the sum of its proper divisors (3031316934).

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

2165226330 is a wasteful number, since it uses less digits than its factorization.

2165226330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72174221.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2165226330 is about 46531.9925427657. The cubic root of 2165226330 is about 1293.7025471171.

The spelling of 2165226330 in words is "two billion, one hundred sixty-five million, two hundred twenty-six thousand, three hundred thirty".