3664221004 has 24 divisors (see below), whose sum is σ = 6955190928. Its totient is φ = 1682280960.

The previous prime is 3664220999. The next prime is 3664221013. The reversal of 3664221004 is 4001224663.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 654354 + ... + 659929.

It is an arithmetic number, because the mean of its divisors is an integer number (289799622).

Almost surely, 2^3664221004 is an apocalyptic number.

3664221004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3664221004 is a deficient number, since it is larger than the sum of its proper divisors (3290969924).

3664221004 is a wasteful number, since it uses less digits than its factorization.

3664221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314345 (or 1314343 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3664221004 is about 60532.8093185836. The cubic root of 3664221004 is about 1541.6787512170.

Adding to 3664221004 its reverse (4001224663), we get a palindrome (7665445667).

The spelling of 3664221004 in words is "three billion, six hundred sixty-four million, two hundred twenty-one thousand, four".