3722273393 has 4 divisors (see below), whose sum is σ = 3722439408. Its totient is φ = 3722107380.

The previous prime is 3722273381. The next prime is 3722273459. The reversal of 3722273393 is 3933722273.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3933722273 = 13 ⋅302594021.

It is a cyclic number.

It is not a de Polignac number, because 3722273393 - 2¹² = 3722269297 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 3722273393.

It is not an unprimeable number, because it can be changed into a prime (3722270393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42923 + ... + 96368.

It is an arithmetic number, because the mean of its divisors is an integer number (930609852).

Almost surely, 2^3722273393 is an apocalyptic number.

It is an amenable number.

3722273393 is a deficient number, since it is larger than the sum of its proper divisors (166015).

3722273393 is a wasteful number, since it uses less digits than its factorization.

3722273393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166014.

The product of its digits is 285768, while the sum is 41.

The square root of 3722273393 is about 61010.4367547062. The cubic root of 3722273393 is about 1549.7777541911. Note that the first 4 decimals are identical.

The spelling of 3722273393 in words is "three billion, seven hundred twenty-two million, two hundred seventy-three thousand, three hundred ninety-three".