2223729605 has 6 divisors (see below), whose sum is σ = 2668602066. Its totient is φ = 1778899328.

The previous prime is 2223729593. The next prime is 2223729617. The reversal of 2223729605 is 5069273222.

It is an interprime number because it is at equal distance from previous prime (2223729593) and next prime (2223729617).

It can be written as a sum of positive squares in 3 ways, for example, as 1568318404 + 655411201 = 39602^2 + 25601^2 .

It is not a de Polignac number, because 2223729605 - 2⁴ = 2223729589 is a prime.

It is a Duffinian 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, 94901 + ... + 115989.

It is an arithmetic number, because the mean of its divisors is an integer number (444767011).

Almost surely, 2^2223729605 is an apocalyptic number.

It is an amenable number.

2223729605 is a deficient number, since it is larger than the sum of its proper divisors (444872461).

2223729605 is an frugal number, since it uses more digits than its factorization.

2223729605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42183 (or 21094 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2223729605 is about 47156.4375774931. The cubic root of 2223729605 is about 1305.2508739024.

The spelling of 2223729605 in words is "two billion, two hundred twenty-three million, seven hundred twenty-nine thousand, six hundred five".