2211730553 has 4 divisors (see below), whose sum is σ = 2232401040. Its totient is φ = 2191060068.

The previous prime is 2211730541. The next prime is 2211730579. The reversal of 2211730553 is 3550371122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211730553 - 2¹⁶ = 2211665017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211730513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10335083 + ... + 10335296.

It is an arithmetic number, because the mean of its divisors is an integer number (558100260).

Almost surely, 2^2211730553 is an apocalyptic number.

It is an amenable number.

2211730553 is a deficient number, since it is larger than the sum of its proper divisors (20670487).

2211730553 is a wasteful number, since it uses less digits than its factorization.

2211730553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20670486.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2211730553 is about 47029.0394649944. The cubic root of 2211730553 is about 1302.8989650971.

The spelling of 2211730553 in words is "two billion, two hundred eleven million, seven hundred thirty thousand, five hundred fifty-three".