6664510022 has 4 divisors (see below), whose sum is σ = 9996765036. Its totient is φ = 3332255010.

The previous prime is 6664510019. The next prime is 6664510037. The reversal of 6664510022 is 2200154666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666127504 + ... + 1666127507.

It is an arithmetic number, because the mean of its divisors is an integer number (2499191259).

Almost surely, 2^6664510022 is an apocalyptic number.

6664510022 is a deficient number, since it is larger than the sum of its proper divisors (3332255014).

6664510022 is a wasteful number, since it uses less digits than its factorization.

6664510022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332255013.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6664510022 is about 81636.4503270445. The cubic root of 6664510022 is about 1881.8690878405.

Adding to 6664510022 its reverse (2200154666), we get a palindrome (8864664688).

It can be divided in two parts, 66645 and 10022, that added together give a palindrome (76667).

The spelling of 6664510022 in words is "six billion, six hundred sixty-four million, five hundred ten thousand, twenty-two".