3622022665 has 4 divisors (see below), whose sum is σ = 4346427204. Its totient is φ = 2897618128.

The previous prime is 3622022659. The next prime is 3622022689. The reversal of 3622022665 is 5662202263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5662202263 = 43541 ⋅130043.

It can be written as a sum of positive squares in 2 ways, for example, as 1179785104 + 2442237561 = 34348^2 + 49419^2 .

It is a cyclic number.

It is not a de Polignac number, because 3622022665 - 2¹¹ = 3622020617 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 3622022665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362202262 + ... + 362202271.

It is an arithmetic number, because the mean of its divisors is an integer number (1086606801).

Almost surely, 2^3622022665 is an apocalyptic number.

It is an amenable number.

3622022665 is a deficient number, since it is larger than the sum of its proper divisors (724404539).

3622022665 is an equidigital number, since it uses as much as digits as its factorization.

3622022665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724404538.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 3622022665 is about 60183.2423935434. The cubic root of 3622022665 is about 1535.7377313766.

It can be divided in two parts, 36220 and 22665, that added together give a palindrome (58885).

The spelling of 3622022665 in words is "three billion, six hundred twenty-two million, twenty-two thousand, six hundred sixty-five".