2272729499 has 4 divisors (see below), whose sum is σ = 2274001680. Its totient is φ = 2271457320.

The previous prime is 2272729493. The next prime is 2272729519. The reversal of 2272729499 is 9949272722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9949272722 = 2 ⋅4974636361.

It is a cyclic number.

It is not a de Polignac number, because 2272729499 - 2⁴ = 2272729483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2272729499.

It is not an unprimeable number, because it can be changed into a prime (2272729493) 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, 633407 + ... + 636984.

It is an arithmetic number, because the mean of its divisors is an integer number (568500420).

Almost surely, 2^2272729499 is an apocalyptic number.

2272729499 is a deficient number, since it is larger than the sum of its proper divisors (1272181).

2272729499 is a wasteful number, since it uses less digits than its factorization.

2272729499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272180.

The product of its digits is 2286144, while the sum is 53.

The square root of 2272729499 is about 47673.1528116192. The cubic root of 2272729499 is about 1314.7683764625.

The spelling of 2272729499 in words is "two billion, two hundred seventy-two million, seven hundred twenty-nine thousand, four hundred ninety-nine".