3645644222 has 8 divisors (see below), whose sum is σ = 5965599672. Its totient is φ = 1657111000.

The previous prime is 3645644221. The next prime is 3645644227. The reversal of 3645644222 is 2224465463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645644221) 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, 82855529 + ... + 82855572.

It is an arithmetic number, because the mean of its divisors is an integer number (745699959).

Almost surely, 2^3645644222 is an apocalyptic number.

3645644222 is a deficient number, since it is larger than the sum of its proper divisors (2319955450).

3645644222 is a wasteful number, since it uses less digits than its factorization.

3645644222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165711114.

The product of its digits is 276480, while the sum is 38.

The square root of 3645644222 is about 60379.1704315321. The cubic root of 3645644222 is about 1539.0690136741.

The spelling of 3645644222 in words is "three billion, six hundred forty-five million, six hundred forty-four thousand, two hundred twenty-two".