66220424022002 has 8 divisors (see below), whose sum is σ = 99625385695836. Its totient is φ = 33011962123392.

The previous prime is 66220424021993. The next prime is 66220424022079. The reversal of 66220424022002 is 20022042402266.

It can be written as a sum of positive squares in 2 ways, for example, as 66164249807881 + 56174214121 = 8134141^2 + 237011^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 66220424022002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49124942963 + ... + 49124944310.

Almost surely, 2^{66220424022002} is an apocalyptic number.

66220424022002 is a deficient number, since it is larger than the sum of its proper divisors (33404961673834).

66220424022002 is a wasteful number, since it uses less digits than its factorization.

66220424022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98249887612.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 66220424022002 its reverse (20022042402266), we get a palindrome (86242466424268).

The spelling of 66220424022002 in words is "sixty-six trillion, two hundred twenty billion, four hundred twenty-four million, twenty-two thousand, two".