2272140473 has 4 divisors (see below), whose sum is σ = 2276134260. Its totient is φ = 2268146688.

The previous prime is 2272140469. The next prime is 2272140499. The reversal of 2272140473 is 3740412722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3740412722 = 2 ⋅1870206361.

It can be written as a sum of positive squares in 2 ways, for example, as 1142642809 + 1129497664 = 33803^2 + 33608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272140473 - 2² = 2272140469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272140413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1996040 + ... + 1997177.

It is an arithmetic number, because the mean of its divisors is an integer number (569033565).

Almost surely, 2^2272140473 is an apocalyptic number.

It is an amenable number.

2272140473 is a deficient number, since it is larger than the sum of its proper divisors (3993787).

2272140473 is an equidigital number, since it uses as much as digits as its factorization.

2272140473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993786.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 2272140473 is about 47666.9746575131. The cubic root of 2272140473 is about 1314.6547832887.

The spelling of 2272140473 in words is "two billion, two hundred seventy-two million, one hundred forty thousand, four hundred seventy-three".