3643224722 has 4 divisors (see below), whose sum is σ = 5464837086. Its totient is φ = 1821612360.

The previous prime is 3643224719. The next prime is 3643224727. The reversal of 3643224722 is 2274223463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3293497321 + 349727401 = 57389^2 + 18701^2 .

It is not an unprimeable number, because it can be changed into a prime (3643224727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910806179 + ... + 910806182.

Almost surely, 2^3643224722 is an apocalyptic number.

3643224722 is a deficient number, since it is larger than the sum of its proper divisors (1821612364).

3643224722 is a wasteful number, since it uses less digits than its factorization.

3643224722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821612363.

The product of its digits is 96768, while the sum is 35.

The square root of 3643224722 is about 60359.1312230387. The cubic root of 3643224722 is about 1538.7284610090.

The spelling of 3643224722 in words is "three billion, six hundred forty-three million, two hundred twenty-four thousand, seven hundred twenty-two".