3640002222 has 32 divisors (see below), whose sum is σ = 7714738080. Its totient is φ = 1142919680.

The previous prime is 3640002221. The next prime is 3640002229. The reversal of 3640002222 is 2222000463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247983 + ... + 262250.

It is an arithmetic number, because the mean of its divisors is an integer number (241085565).

Almost surely, 2^3640002222 is an apocalyptic number.

3640002222 is an abundant number, since it is smaller than the sum of its proper divisors (4074735858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3640002222 is a wasteful number, since it uses less digits than its factorization.

3640002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510308.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3640002222 is about 60332.4309306363. The cubic root of 3640002222 is about 1538.2746492040.

Adding to 3640002222 its reverse (2222000463), we get a palindrome (5862002685).

The spelling of 3640002222 in words is "three billion, six hundred forty million, two thousand, two hundred twenty-two".