2220565953 has 4 divisors (see below), whose sum is σ = 2960754608. Its totient is φ = 1480377300.

The previous prime is 2220565951. The next prime is 2220565957. The reversal of 2220565953 is 3595650222.

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 not a de Polignac number, because 2220565953 - 2¹ = 2220565951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2220565951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370094323 + ... + 370094328.

It is an arithmetic number, because the mean of its divisors is an integer number (740188652).

Almost surely, 2^2220565953 is an apocalyptic number.

It is an amenable number.

2220565953 is a deficient number, since it is larger than the sum of its proper divisors (740188655).

2220565953 is an equidigital number, since it uses as much as digits as its factorization.

2220565953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740188654.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 2220565953 is about 47122.8814165687. The cubic root of 2220565953 is about 1304.6315960718.

The spelling of 2220565953 in words is "two billion, two hundred twenty million, five hundred sixty-five thousand, nine hundred fifty-three".