2272323698 has 18 divisors (see below), whose sum is σ = 3506946093. Its totient is φ = 1104241320.

The previous prime is 2272323673. The next prime is 2272323707. The reversal of 2272323698 is 8963232722.

It can be written as a sum of positive squares in 2 ways, for example, as 1833295489 + 439028209 = 42817^2 + 20953^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33707.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2493863 + ... + 2494773.

Almost surely, 2^2272323698 is an apocalyptic number.

2272323698 is a deficient number, since it is larger than the sum of its proper divisors (1234622395).

2272323698 is an frugal number, since it uses more digits than its factorization.

2272323698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 950 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 2272323698 is about 47668.8965469099. The cubic root of 2272323698 is about 1314.6901201808.

The spelling of 2272323698 in words is "two billion, two hundred seventy-two million, three hundred twenty-three thousand, six hundred ninety-eight".